Wikipedia:Vital articles/data/I.json

Ibn Khaldun

level	3
topic	"People"
section	"Philosophers and social scientists"

Immanuel Kant

level	3
topic	"People"
section	"Philosophers and social scientists"

Isaac Newton

level	3
topic	"People"
section	"Scientists and inventors"

Indus Valley Civilisation

level	3
topic	"History"
section	"Ancient history"

Iron Age

level	3
topic	"History"
section	"Ancient history"

Inca Empire

level	3
topic	"History"
section	"Post-classical history"

Islamic Golden Age

level	3
topic	"History"
section	"Post-classical history"

Industrial Revolution

level	3
topic	"History"
section	"Modern history"

Information Age

level	3
topic	"History"
section	"Modern history"

Island

level	3
topic	"Physical sciences"
section	"Terrestrial features"

Indian Ocean

level	3
topic	"Geography"
section	"Hydrological features"

India

level	3
topic	"Geography"
section	"Countries"

Indonesia

level	3
topic	"Geography"
section	"Countries"

Iran

level	3
topic	"Geography"
section	"Countries"

Israel

level	3
topic	"Geography"
section	"Countries"

Italy

level	3
topic	"Geography"
section	"Countries"

Istanbul

level	3
topic	"Geography"
section	"Cities"

Islam

level	3
topic	"Philosophy and religion"
section	"Abrahamic religions"

Infant

level	3
topic	"Everyday life"
section	"Family and kinship"

Imperialism

level	3
topic	"Society and social sciences"
section	"Politics and government"

Ideology

level	3
topic	"Society and social sciences"
section	"Politics and government"

International Red Cross and Red Crescent Movement

level	3
topic	"Society and social sciences"
section	"Politics and government"

Insurance

level	3
topic	"Society and social sciences"
section	"Business and economics"

Indigenous peoples

level	3
topic	"Society and social sciences"
section	"Social issues"

Intelligence

level	3
topic	"Biology and health sciences"
section	"Psychology"

Indo-European languages

level	3
topic	"Society and social sciences"
section	"Language"

Infection

level	3
topic	"Biology and health sciences"
section	"Illness and injury"

Influenza

level	3
topic	"Biology and health sciences"
section	"Illness and injury"

Injury

level	3
topic	"Biology and health sciences"
section	"Illness and injury"

International System of Units

level	3
topic	"Physical sciences"
section	"Science: General"

Insect

level	3
topic	"Biology and health sciences"
section	"Biology"

Immune system

level	3
topic	"Biology and health sciences"
section	"Biology"

Inorganic chemistry

level	3
topic	"Physical sciences"
section	"Chemistry"

Iron

level	3
topic	"Physical sciences"
section	"Chemistry"

Internal structure of Earth

level	3
topic	"Physical sciences"
section	"Earth science"

Internal combustion engine

level	3
topic	"Technology"
section	"Tools and machinery"

Internet

level	3
topic	"Technology"
section	"Media and communication"

Integrated circuit

level	3
topic	"Technology"
section	"Electronics"

Infrastructure

level	3
topic	"Technology"
section	"Structures"

Integer

level	3
topic	"Mathematics"
section	"Counting and numbers"

Infinity

level	3
topic	"Mathematics"
section	"Analysis"

Iranian architecture

level	4
topic	"Arts"
section	"Styles"

Islamic architecture

level	4
topic	"Arts"
section	"Styles"

Indian literature

level	4
topic	"Arts"
section	"Literatures by language and area"

Italian literature

level	4
topic	"Arts"
section	"Literatures by language and area"

Investiture of the Gods

level	4
topic	"Arts"
section	"Fiction of antiquity"

In Search of Lost Time

level	4
topic	"Arts"
section	"Fiction of modern era"

I Ching

level	4
topic	"Arts"
section	"Nonfiction of antiquity"

Iliad

level	4
topic	"Arts"
section	"Poetic works of antiquity"

Indian classical music

level	4
topic	"Arts"
section	"Non-Western music"

Improvisational theatre

level	4
topic	"Arts"
section	"Theatre"

Impressionism

level	4
topic	"Arts"
section	"Modern art"

Indian art

level	4
topic	"Arts"
section	"Non-Western art traditions"

Islamic art

level	4
topic	"Arts"
section	"Non-Western art traditions"

Illustration

level	4
topic	"Arts"
section	"Concepts and forms"

Interior design

level	4
topic	"Arts"
section	"Design"

Industrial design

level	4
topic	"Arts"
section	"Design"

Integumentary system

level	4
topic	"Biology and health sciences"
section	"Integumentary system"

Insulin

level	4
topic	"Biology and health sciences"
section	"Biochemistry and molecular biology"

Imago

level	4
topic	"Biology and health sciences"
section	"Animal ontogeny"

Invasive species

level	4
topic	"Biology and health sciences"
section	"Ecology"

Instinct

level	4
topic	"Biology and health sciences"
section	"Ethology"

Invertebrate

level	4
topic	"Biology and health sciences"
section	"General classification"

Ilish

level	4
topic	"Biology and health sciences"
section	"Clupeiformes"

Iguanodon

level	4
topic	"Biology and health sciences"
section	"Dinosaurs and prehistoric reptiles"

Ibis

level	4
topic	"Biology and health sciences"
section	"Ciconiiformes"

Icterid

level	4
topic	"Biology and health sciences"
section	"Passerida"

Impala

level	4
topic	"Biology and health sciences"
section	"Artiodactyla"

Iridaceae

level	4
topic	"Biology and health sciences"
section	"Asparagales"

Iris (plant)

level	4
topic	"Biology and health sciences"
section	"Asparagales"

Impatiens

level	4
topic	"Biology and health sciences"
section	"Ericales"

Infertility

level	4
topic	"Biology and health sciences"
section	"Health and fitness"

Immunology

level	4
topic	"Biology and health sciences"
section	"Fields of medicine"

Inflammation

level	4
topic	"Biology and health sciences"
section	"Injury"

Intellectual disability

level	4
topic	"Biology and health sciences"
section	"Disability"

Indian cuisine

level	4
topic	"Everyday life"
section	"Cuisine"

Italian cuisine

level	4
topic	"Everyday life"
section	"Cuisine"

Ice cream

level	4
topic	"Everyday life"
section	"Dairy and analogues"

Interpersonal relationship

level	4
topic	"Everyday life"
section	"Interpersonal relationships"

Intimate relationship

level	4
topic	"Everyday life"
section	"Interpersonal relationships"

Infidelity

level	4
topic	"Everyday life"
section	"Interpersonal relationships"

Intersex

level	4
topic	"Everyday life"
section	"Sexuality and gender"

Incest

level	4
topic	"Everyday life"
section	"Sexuality and gender"

Ice hockey

level	4
topic	"Everyday life"
section	"Team sports"

Ice skating

level	4
topic	"Everyday life"
section	"Skating"

International Date Line

level	4
topic	"Geography"
section	"Earth"

Irish Sea

level	4
topic	"Geography"
section	"Oceans and seas"

Ionian Sea

level	4
topic	"Geography"
section	"Oceans and seas"

Issyk-Kul

level	4
topic	"Geography"
section	"Asia"

Irtysh

level	4
topic	"Geography"
section	"Asia_2"

Indus River

level	4
topic	"Geography"
section	"Asia_2"

Irrawaddy River

level	4
topic	"Geography"
section	"Asia_2"

Iguazu Falls

level	4
topic	"Geography"
section	"Waterfalls"

Ireland

level	4
topic	"Geography"
section	"Europe_3"

Isle of Man

level	4
topic	"Geography"
section	"Europe_3"

Iberian Peninsula

level	4
topic	"Geography"
section	"Europe_4"

Indo-Gangetic Plain

level	4
topic	"Geography"
section	"Southern Asia"

Iranian plateau

level	4
topic	"Geography"
section	"Western Asia"

Ivory Coast

level	4
topic	"Geography"
section	"West Africa"

Iraq

level	4
topic	"Geography"
section	"West Asia"

Iceland

level	4
topic	"Geography"
section	"Northern Europe"

Illinois

level	4
topic	"Geography"
section	"United States"

Inner Mongolia

level	4
topic	"Geography"
section	"China"

Industrial park

level	4
topic	"Geography"
section	"Urban studies and planning"

Ibadan

level	4
topic	"Geography"
section	"Nigeria"

Incheon

level	4
topic	"Geography"
section	"South Korea"

Indore

level	4
topic	"Geography"
section	"Central India"

Islamabad

level	4
topic	"Geography"
section	"Pakistan_2"

Isfahan

level	4
topic	"Geography"
section	"Iran"

Indo-Greek Kingdom

level	4
topic	"History"
section	"South Asia"

Indo-Scythians

level	4
topic	"History"
section	"South Asia"

Inquisition

level	4
topic	"History"
section	"Western Europe"

Investiture Controversy

level	4
topic	"History"
section	"Western Europe"

Italian Wars

level	4
topic	"History"
section	"Western Europe_2"

Italian front (World War I)

level	4
topic	"History"
section	"World War I"

Iran–Iraq War

level	4
topic	"History"
section	"Central Asia and Iran_2"

Iranian revolution

level	4
topic	"History"
section	"Central Asia and Iran_2"

Indonesian National Revolution

level	4
topic	"History"
section	"Southeast Asia_4"

Indian independence movement

level	4
topic	"History"
section	"South Asia_4"

Indian Rebellion of 1857

level	4
topic	"History"
section	"South Asia_4"

Iraq War

level	4
topic	"History"
section	"West Asia_3"

Israeli–Palestinian conflict

level	4
topic	"History"
section	"West Asia_3"

Iron Curtain

level	4
topic	"History"
section	"Basics_4"

Irrational number

level	4
topic	"Mathematics"
section	"Basics"

Imaginary number

level	4
topic	"Mathematics"
section	"Basics"

Inverse function

level	4
topic	"Mathematics"
section	"Basics"

Implicit function

level	4
topic	"Mathematics"
section	"Basics"

Imaginary unit

level	4
topic	"Mathematics"
section	"Basics"

Inequality (mathematics)

level	4
topic	"Mathematics"
section	"Algebra"

Isomorphism

level	4
topic	"Mathematics"
section	"Algebra"

Intersection (set theory)

level	4
topic	"Mathematics"
section	"Discrete mathematics"

Integral

level	4
topic	"Mathematics"
section	"Calculus and analysis"

Information theory

level	4
topic	"Mathematics"
section	"Other"

Ingrid Bergman

level	4
topic	"People"
section	"Actors"

Isadora Duncan

level	4
topic	"People"
section	"Other dance"

Izumo no Okuni

level	4
topic	"People"
section	"Other dance"

Ilya Repin

level	4
topic	"People"
section	"Modern (painters)"

Imhotep

level	4
topic	"People"
section	"Architects"

I. M. Pei

level	4
topic	"People"
section	"Architects"

Isaac Asimov

level	4
topic	"People"
section	"US and Canada"

Ismail Kadare

level	4
topic	"People"
section	"Central Europe"

Ivan Bunin

level	4
topic	"People"
section	"Russia"

Ivan Turgenev

level	4
topic	"People"
section	"Russia"

Ida Tarbell

level	4
topic	"People"
section	"Journalists"

Igor Stravinsky

level	4
topic	"People"
section	"20th century modern"

Irving Berlin

level	4
topic	"People"
section	"Musical comedy and lyricists"

Ingmar Bergman

level	4
topic	"People"
section	"Directors"

Ida Lupino

level	4
topic	"People"
section	"Directors"

Irving Thalberg

level	4
topic	"People"
section	"Producers and executives"

Ibn Battuta

level	4
topic	"People"
section	"Post-classical_3"

Isaiah Berlin

level	4
topic	"People"
section	"Modern_3"

Ivan Pavlov

level	4
topic	"People"
section	"Psychologists"

Irenaeus

level	4
topic	"People"
section	"Pre-Schism"

Ignatius of Loyola

level	4
topic	"People"
section	"Catholic Church"

Ibn Taymiyya

level	4
topic	"People"
section	"Sunni Islam"

Ibn Arabi

level	4
topic	"People"
section	"Others_2"

Ivan Asen II

level	4
topic	"People"
section	"Bulgaria"

Ivan III of Russia

level	4
topic	"People"
section	"Russia_2"

Isabella I of Castile

level	4
topic	"People"
section	"Spain and Portugal"

Ismail I

level	4
topic	"People"
section	"Central Asia, Iran, Caucasus_2"

Iskandar Muda

level	4
topic	"People"
section	"Southeastern Asia_2"

Ivan the Terrible

level	4
topic	"People"
section	"Russia_3"

Idi Amin

level	4
topic	"People"
section	"Eastern Africa"

Isma'il Pasha of Egypt

level	4
topic	"People"
section	"Northern Africa"

Indira Gandhi

level	4
topic	"People"
section	"India"

Ibn Saud

level	4
topic	"People"
section	"Western Asia_4"

Ion Antonescu

level	4
topic	"People"
section	"Southeastern Europe"

Isoroku Yamamoto

level	4
topic	"People"
section	"Modern_8"

Ibn al-Haytham

level	4
topic	"People"
section	"Post-classical history"

Irving Langmuir

level	4
topic	"People"
section	"Chemistry"

Ignaz Semmelweis

level	4
topic	"People"
section	"Medicine"

Isambard Kingdom Brunel

level	4
topic	"People"
section	"Inventors and engineers"

Ingemar Stenmark

level	4
topic	"People"
section	"Skiing"

Indian philosophy

level	4
topic	"Philosophy and religion"
section	"Philosophy by region and period"

Islamic philosophy

level	4
topic	"Philosophy and religion"
section	"Religious philosophy"

Is–ought problem

level	4
topic	"Philosophy and religion"
section	"Concepts"

Inference

level	4
topic	"Philosophy and religion"
section	"Logic"

Inductive reasoning

level	4
topic	"Philosophy and religion"
section	"Logic"

Idealism

level	4
topic	"Philosophy and religion"
section	"Approaches_3"

Icon

level	4
topic	"Philosophy and religion"
section	"Practices"

Iconoclasm

level	4
topic	"Philosophy and religion"
section	"Practices"

Idolatry

level	4
topic	"Philosophy and religion"
section	"Practices"

Incarnation

level	4
topic	"Philosophy and religion"
section	"Afterlife"

Islamic schools and branches

level	4
topic	"Philosophy and religion"
section	"Islam"

Imam

level	4
topic	"Philosophy and religion"
section	"Islam"

Isaac

level	4
topic	"Philosophy and religion"
section	"Abrahamic mythology"

Isaiah

level	4
topic	"Philosophy and religion"
section	"Abrahamic mythology"

Ishmael

level	4
topic	"Philosophy and religion"
section	"Abrahamic mythology"

Isis

level	4
topic	"Philosophy and religion"
section	"Egyptian mythology"

Inanna

level	4
topic	"Philosophy and religion"
section	"Mesopotamian mythology"

Imperial units

level	4
topic	"Physical sciences"
section	"Measurement systems"

Inch

level	4
topic	"Physical sciences"
section	"Length and distance"

Io (moon)

level	4
topic	"Physical sciences"
section	"Solar System"

Interplanetary medium

level	4
topic	"Physical sciences"
section	"Solar System"

Interstellar medium

level	4
topic	"Physical sciences"
section	"Basics_3"

Irregular galaxy

level	4
topic	"Physical sciences"
section	"Galaxy morphological classification"

Impact event

level	4
topic	"Physical sciences"
section	"Planetary science"

Ionic bonding

level	4
topic	"Physical sciences"
section	"Chemical bonds"

Intermolecular force

level	4
topic	"Physical sciences"
section	"Chemical bonds"

Indium

level	4
topic	"Physical sciences"
section	"Chemical elements_2"

Iodine

level	4
topic	"Physical sciences"
section	"Chemical elements_2"

Iridium

level	4
topic	"Physical sciences"
section	"Chemical elements_2"

Inorganic compound

level	4
topic	"Physical sciences"
section	"Chemical compounds: General"

Ice

level	4
topic	"Physical sciences"
section	"Inorganic compounds"

Impact crater

level	4
topic	"Physical sciences"
section	"Geology"

Ivory

level	4
topic	"Physical sciences"
section	"Organic gemstones"

Igneous rock

level	4
topic	"Physical sciences"
section	"Petrology"

Ice age

level	4
topic	"Physical sciences"
section	"Geological history"

Ice sheet

level	4
topic	"Physical sciences"
section	"Glaciology"

Ice shelf

level	4
topic	"Physical sciences"
section	"Glaciology"

Iceberg

level	4
topic	"Physical sciences"
section	"Glaciology"

Ionizing radiation

level	4
topic	"Physical sciences"
section	"Basics_6"

Ion

level	4
topic	"Physical sciences"
section	"Atomic physics"

Isotope

level	4
topic	"Physical sciences"
section	"Atomic physics"

Ionization

level	4
topic	"Physical sciences"
section	"Phase transitions"

Infrared

level	4
topic	"Physical sciences"
section	"Electrodynamics"

Inductance

level	4
topic	"Physical sciences"
section	"Electrical circuits"

Inertia

level	4
topic	"Physical sciences"
section	"Classical mechanics"

Impulse (physics)

level	4
topic	"Physical sciences"
section	"Classical mechanics"

Internal energy

level	4
topic	"Physical sciences"
section	"Thermodynamics"

Ideal gas law

level	4
topic	"Physical sciences"
section	"Thermodynamics"

Information

level	4
topic	"Society and social sciences"
section	"Society and social sciences: General"

Inflation

level	4
topic	"Society and social sciences"
section	"Business and economics: General"

Income tax

level	4
topic	"Society and social sciences"
section	"Business and economics: General"

International trade

level	4
topic	"Society and social sciences"
section	"Business and economics: General"

Investment

level	4
topic	"Society and social sciences"
section	"Business and economics: General"

Interest

level	4
topic	"Society and social sciences"
section	"Banking and finance: General"

IBM

level	4
topic	"Society and social sciences"
section	"Companies: General"

Indian Institutes of Technology

level	4
topic	"Society and social sciences"
section	"Asia"

Indigenous peoples of the Americas

level	4
topic	"Society and social sciences"
section	"Ethnic groups"

Inuit

level	4
topic	"Society and social sciences"
section	"Ethnic groups"

Iroquois

level	4
topic	"Society and social sciences"
section	"Ethnic groups"

International Atomic Energy Agency

level	4
topic	"Society and social sciences"
section	"United Nations organizations"

International Court of Justice

level	4
topic	"Society and social sciences"
section	"United Nations organizations"

International Criminal Court

level	4
topic	"Society and social sciences"
section	"United Nations organizations"

International Monetary Fund

level	4
topic	"Society and social sciences"
section	"United Nations organizations"

Interpol

level	4
topic	"Society and social sciences"
section	"Governmental organizations"

Interjection

level	4
topic	"Society and social sciences"
section	"Basics_2"

International Phonetic Alphabet

level	4
topic	"Society and social sciences"
section	"Basics_2"

Indo-Aryan languages

level	4
topic	"Society and social sciences"
section	"Language families"

Iranian languages

level	4
topic	"Society and social sciences"
section	"Language families"

Italian language

level	4
topic	"Society and social sciences"
section	"Romance languages"

Indonesian language

level	4
topic	"Society and social sciences"
section	"Austronesian languages"

Igbo language

level	4
topic	"Society and social sciences"
section	"Niger–Congo languages"

Impartiality

level	4
topic	"Society and social sciences"
section	"Basics_3"

Injunction

level	4
topic	"Society and social sciences"
section	"Basics_3"

Illegal drug trade

level	4
topic	"Society and social sciences"
section	"Crime"

Intellectual property

level	4
topic	"Society and social sciences"
section	"Subjects"

International law

level	4
topic	"Society and social sciences"
section	"Subjects"

Inheritance

level	4
topic	"Society and social sciences"
section	"Subjects"

International Covenant on Civil and Political Rights

level	4
topic	"Society and social sciences"
section	"Specific documents"

International Covenant on Economic, Social and Cultural Rights

level	4
topic	"Society and social sciences"
section	"Specific documents"

International relations

level	4
topic	"Society and social sciences"
section	"Politics"

Islamism

level	4
topic	"Society and social sciences"
section	"Ideology and political theory"

Imagination

level	4
topic	"Society and social sciences"
section	"Concepts"

Introspection

level	4
topic	"Society and social sciences"
section	"Concepts"

Institution

level	4
topic	"Society and social sciences"
section	"Basics_5"

Immigration

level	4
topic	"Society and social sciences"
section	"Issues"

Industrialisation

level	4
topic	"Society and social sciences"
section	"Sociology"

Identity (social science)

level	4
topic	"Society and social sciences"
section	"Sociology"

Insurgency

level	4
topic	"Society and social sciences"
section	"Wars by type"

Invasion

level	4
topic	"Society and social sciences"
section	"Wars by type"

Infantry

level	4
topic	"Society and social sciences"
section	"Military forces"

Intensive farming

level	4
topic	"Technology"
section	"Forms"

Irrigation

level	4
topic	"Technology"
section	"Horticultural techniques"

Information technology

level	4
topic	"Technology"
section	"Basics_3"

IPhone

level	4
topic	"Technology"
section	"Computer hardware"

Internet protocol suite

level	4
topic	"Technology"
section	"Internet"

Inductor

level	4
topic	"Technology"
section	"Components"

Industrial engineering

level	4
topic	"Technology"
section	"Disciplines"

Industrial robot

level	4
topic	"Technology"
section	"Basics_6"

Interchangeable parts

level	4
topic	"Technology"
section	"Basics_6"

Incandescent light bulb

level	4
topic	"Technology"
section	"Electricity generation and distribution"

Igloo

level	4
topic	"Technology"
section	"Residential and housing units"

Itaipu Dam

level	4
topic	"Technology"
section	"Hydraulic infrastructure"

Inclined plane

level	4
topic	"Technology"
section	"Basics_8"

Instrumentation

level	4
topic	"Technology"
section	"Measuring instruments"

Ink

level	4
topic	"Technology"
section	"Artist's tools"

Irrigation sprinkler

level	4
topic	"Technology"
section	"Farm and garden machinery"

Ironing

level	4
topic	"Technology"
section	"Household appliances"

Image

level	4
topic	"Technology"
section	"Media and communication"

Image scanner

level	4
topic	"Technology"
section	"Media and communication"

Improvised explosive device

level	4
topic	"Technology"
section	"Explosive weapons"

Islamic calendar

level	4
topic	"Technology"
section	"Timekeeping"

Interferometry

level	4
topic	"Technology"
section	"Optical instruments"

International Space Station

level	4
topic	"Technology"
section	"Crewed spacecraft"

Italian architecture

level	5
topic	"Arts"
section	"By geographic location"

Ishtar Gate

level	5
topic	"Arts"
section	"Asia"

Itsukushima Shrine

level	5
topic	"Arts"
section	"Asia"

Israel Museum

level	5
topic	"Arts"
section	"Asia_2"

Imperial War Museum

level	5
topic	"Arts"
section	"United Kingdom"

Irony

level	5
topic	"Arts"
section	"Narrative"

Irish literature

level	5
topic	"Arts"
section	"Literatures by religion, language and area"

Indonesian literature

level	5
topic	"Arts"
section	"Literatures by religion, language and area"

Islamic literature

level	5
topic	"Arts"
section	"Literatures by religion, language and area"

Icelandic literature

level	5
topic	"Arts"
section	"Literatures by religion, language and area"

Instruction of Amenemope

level	5
topic	"Arts"
section	"Nonfiction of antiquity"

Instructions of Shuruppak

level	5
topic	"Arts"
section	"Nonfiction of antiquity"

In Praise of Folly

level	5
topic	"Arts"
section	"Nonfiction of early printed book era"

Institutes of the Christian Religion

level	5
topic	"Arts"
section	"Nonfiction of early printed book era"

In Cold Blood

level	5
topic	"Arts"
section	"General nonfiction"

I Know Why the Caged Bird Sings

level	5
topic	"Arts"
section	"Biographies and memoirs"

Illusions perdues

level	5
topic	"Arts"
section	"19th century fiction"

Ivanhoe

level	5
topic	"Arts"
section	"19th century fiction"

If on a winter's night a traveler

level	5
topic	"Arts"
section	"Literary fiction"

Independent People

level	5
topic	"Arts"
section	"Literary fiction"

Infinite Jest

level	5
topic	"Arts"
section	"Literary fiction"

Invisible Man

level	5
topic	"Arts"
section	"Literary fiction"

I, Claudius

level	5
topic	"Arts"
section	"Historical fiction"

Inuyasha

level	5
topic	"Arts"
section	"Manga"

Il Canzoniere

level	5
topic	"Arts"
section	"Poetic works of the medieval era"

If—

level	5
topic	"Arts"
section	"Poetic works of modern era"

In Flanders Fields

level	5
topic	"Arts"
section	"Poetic works of modern era"

I Wandered Lonely as a Cloud

level	5
topic	"Arts"
section	"Poetic works of modern era"

Interval (music)

level	5
topic	"Arts"
section	"Music theory"

Incidental music

level	5
topic	"Arts"
section	"Music genres and forms: General"

Instrumental

level	5
topic	"Arts"
section	"Music genres and forms: General"

Islamic music

level	5
topic	"Arts"
section	"Religious music"

Impressionism in music

level	5
topic	"Arts"
section	"Specific periods, centuries, eras, and movements"

Independent music

level	5
topic	"Arts"
section	"Popular music: General"

Indie pop

level	5
topic	"Arts"
section	"Popular music: General"

Indie rock

level	5
topic	"Arts"
section	"Popular music: General"

Indigenous music

level	5
topic	"Arts"
section	"World music"

Impromptus (Schubert)

level	5
topic	"Arts"
section	"Romantic"

Il trovatore

level	5
topic	"Arts"
section	"Opera"

I Heard It Through the Grapevine

level	5
topic	"Arts"
section	"Blues, R&B and Soul"

I Walk the Line

level	5
topic	"Arts"
section	"Country"

I'm So Lonesome I Could Cry

level	5
topic	"Arts"
section	"Country"

I Will Survive

level	5
topic	"Arts"
section	"Disco"

Illmatic

level	5
topic	"Arts"
section	"Hip-hop and rap"

It Takes a Nation of Millions to Hold Us Back

level	5
topic	"Arts"
section	"Hip-hop and rap"

In the Mood

level	5
topic	"Arts"
section	"Jazz_2"

I Want to Hold Your Hand

level	5
topic	"Arts"
section	"Rock_2"

Imagine (song)

level	5
topic	"Arts"
section	"Rock_2"

Indian classical dance

level	5
topic	"Arts"
section	"Folk dance"

Iranian dance

level	5
topic	"Arts"
section	"Folk dance"

Impressionist (entertainment)

level	5
topic	"Arts"
section	"Comedy"

Installation art

level	5
topic	"Arts"
section	"Contemporary art"

Ikebana

level	5
topic	"Arts"
section	"Non-Western art traditions"

Ink wash painting

level	5
topic	"Arts"
section	"Non-Western art traditions"

Indigenous Australian art

level	5
topic	"Arts"
section	"Non-Western art traditions"

Islamic calligraphy

level	5
topic	"Arts"
section	"Paper art"

Impression, Sunrise

level	5
topic	"Arts"
section	"Modern"

Interchange (de Kooning)

level	5
topic	"Arts"
section	"Modern"

Ivan the Terrible and His Son Ivan

level	5
topic	"Arts"
section	"Modern"

Into the Jaws of Death

level	5
topic	"Arts"
section	"Photographs"

Ivanhorod Einsatzgruppen photograph

level	5
topic	"Arts"
section	"Photographs"

Information design

level	5
topic	"Arts"
section	"Design"

Independent film

level	5
topic	"Arts"
section	"Basic film concepts"

It Happened One Night

level	5
topic	"Arts"
section	"Comedy_2"

Intolerance (film)

level	5
topic	"Arts"
section	"Epic and historical films"

It's a Wonderful Life

level	5
topic	"Arts"
section	"Family and children's films"

In the Mood for Love

level	5
topic	"Arts"
section	"Romance films"

Iago

level	5
topic	"Arts"
section	"Literature and drama"

Indiana Jones (character)

level	5
topic	"Arts"
section	"Live-action films and television shows"

Iron Man

level	5
topic	"Arts"
section	"Heroes"

Indian flying fox

level	5
topic	"Biology and health sciences"
sublist	"Animals"
section	"Bats"

Ictonychinae

level	5
topic	"Biology and health sciences"
sublist	"Animals"
section	"Mustelidae"

Irish elk

level	5
topic	"Biology and health sciences"
sublist	"Animals"
section	"Deer"

Indian rhinoceros

level	5
topic	"Biology and health sciences"
sublist	"Animals"
section	"Perissodactyla"

Indri

level	5
topic	"Biology and health sciences"
sublist	"Animals"
section	"Strepsirrhini"

Ichthyornis

level	5
topic	"Biology and health sciences"
sublist	"Animals"
section	"Prehistoric birds"

Inkayacu

level	5
topic	"Biology and health sciences"
sublist	"Animals"
section	"Prehistoric birds"

Iguanidae

level	5
topic	"Biology and health sciences"
sublist	"Animals"
section	"Iguania"

Inland taipan

level	5
topic	"Biology and health sciences"
sublist	"Animals"
section	"Snakes"

Incisivosaurus

level	5
topic	"Biology and health sciences"
sublist	"Animals"
section	"Theropods"

Ichthyosauria

level	5
topic	"Biology and health sciences"
sublist	"Animals"
section	"Prehistoric marine reptiles"

Ichthyosaurus

level	5
topic	"Biology and health sciences"
sublist	"Animals"
section	"Prehistoric marine reptiles"

Inostrancevia

level	5
topic	"Biology and health sciences"
sublist	"Animals"
section	"Proto-mammals"

Ichthyostega

level	5
topic	"Biology and health sciences"
sublist	"Animals"
section	"Prehistoric amphibians"

Indonesian coelacanth

level	5
topic	"Biology and health sciences"
sublist	"Animals"
section	"Fishes: General"

Isopoda

level	5
topic	"Biology and health sciences"
sublist	"Animals"
section	"Malacostraca"

Indian prawn

level	5
topic	"Biology and health sciences"
sublist	"Animals"
section	"Shrimps and prawns"

Introduction to evolution

level	5
topic	"Biology and health sciences"
sublist	"Biology"
section	"Biology basics"

Incertae sedis

level	5
topic	"Biology and health sciences"
sublist	"Biology"
section	"Biology basics"

Infraspecific name

level	5
topic	"Biology and health sciences"
sublist	"Biology"
section	"Biology basics"

Insect morphology

level	5
topic	"Biology and health sciences"
sublist	"Biology"
section	"Basic anatomy"

Ileum

level	5
topic	"Biology and health sciences"
sublist	"Biology"
section	"Gastrointestinal tract"

Iris (anatomy)

level	5
topic	"Biology and health sciences"
sublist	"Biology"
section	"Nervous system"

Insemination

level	5
topic	"Biology and health sciences"
sublist	"Biology"
section	"Animal reproduction"

Isoleucine

level	5
topic	"Biology and health sciences"
sublist	"Biology"
section	"Proteins"

Intron

level	5
topic	"Biology and health sciences"
sublist	"Biology"
section	"Molecular biology"

Ichthyology

level	5
topic	"Biology and health sciences"
sublist	"Biology"
section	"Basics_2"

Insectivore

level	5
topic	"Biology and health sciences"
sublist	"Biology"
section	"Ethology"

Imprinting (psychology)

level	5
topic	"Biology and health sciences"
sublist	"Biology"
section	"Ethology"

Insular biogeography

level	5
topic	"Biology and health sciences"
sublist	"Biology"
section	"Ecology"

Introduction to genetics

level	5
topic	"Biology and health sciences"
sublist	"Biology"
section	"Genetics"

Inbreeding

level	5
topic	"Biology and health sciences"
sublist	"Biology"
section	"Genetics"

Intensive care unit

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Health facilities"

Impacted wisdom teeth

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Dental treatments"

Incision and drainage

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Surgery"

Intravenous therapy

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Therapy"

Index finger

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Human anatomy"

Infectious diseases (medical specialty)

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Fields of medicine"

Internal medicine

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Fields of medicine"

Intensive care medicine

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Fields of medicine"

Inhaler

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"General concepts_2"

Injection (medicine)

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"General concepts_2"

Insulin (medication)

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Specific drugs"

Isoflurane

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Anesthetics"

Ivermectin

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Antiparasitic"

Ibuprofen

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Pain treatments"

Imipramine

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Psychiatric drugs"

Influenza vaccine

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Vaccines"

International Classification of Diseases

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Disease"

Inflammatory bowel disease

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Disease"

Irritable bowel syndrome

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Disease"

Injury in humans

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Injury: General"

Internal bleeding

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Types"

Introduction to viruses

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Concepts"

Immunity (medicine)

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Concepts"

Immunodeficiency

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Concepts"

Impetigo

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Bacterial infections"

Infectious mononucleosis

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Viral diseases"

Influenza A virus

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Specific viruses"

Influenza B virus

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Specific viruses"

Infestation

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Parasitic infections"

Insomnia

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Mental disorders"

Itch

level	5
topic	"Biology and health sciences"
sublist	"Health"
section	"Symptoms and signs"

Isoetes

level	5
topic	"Biology and health sciences"
sublist	"Plants"
section	"Lycophytes"

Ilex aquifolium

level	5
topic	"Biology and health sciences"
sublist	"Plants"
section	"Aquifoliales"

Isatis tinctoria

level	5
topic	"Biology and health sciences"
sublist	"Plants"
section	"Brassicales"

Indigofera

level	5
topic	"Biology and health sciences"
sublist	"Plants"
section	"Fabales"

Ixora

level	5
topic	"Biology and health sciences"
sublist	"Plants"
section	"Gentianales"

Ipomoea

level	5
topic	"Biology and health sciences"
sublist	"Plants"
section	"Solanales"

Ipomoea aquatica

level	5
topic	"Biology and health sciences"
sublist	"Plants"
section	"Leafy vegetables"

Illicium verum

level	5
topic	"Biology and health sciences"
sublist	"Plants"
section	"Herbs and spices"

Ichthyosporea

level	5
topic	"Biology and health sciences"
sublist	"Plants"
section	"Eukaryotes"

Ingredients of cosmetics

level	5
topic	"Everyday life"
section	"Cosmetics"

Iftar

level	5
topic	"Everyday life"
section	"Basics"

Irish cuisine

level	5
topic	"Everyday life"
section	"Cuisine"

Indonesian cuisine

level	5
topic	"Everyday life"
section	"Cuisine"

Israeli cuisine

level	5
topic	"Everyday life"
section	"Cuisine"

Indigenous cuisine of the Americas

level	5
topic	"Everyday life"
section	"Cuisine"

Ice cream van

level	5
topic	"Everyday life"
section	"Food service"

Injera

level	5
topic	"Everyday life"
section	"Grains-based products"

Imagawayaki

level	5
topic	"Everyday life"
section	"Food types"

Instant noodles

level	5
topic	"Everyday life"
section	"Food types"

Iced coffee

level	5
topic	"Everyday life"
section	"Cold drinks"

Iced tea

level	5
topic	"Everyday life"
section	"Cold drinks"

Ice cream float

level	5
topic	"Everyday life"
section	"Cold drinks"

Instant coffee

level	5
topic	"Everyday life"
section	"Hot drinks"

India pale ale

level	5
topic	"Everyday life"
section	"Alcoholic drinks"

Irish whiskey

level	5
topic	"Everyday life"
section	"Alcoholic drinks"

Incest taboo

level	5
topic	"Everyday life"
section	"Family and kinship: General"

Interfaith marriage

level	5
topic	"Everyday life"
section	"Marriage and parenting"

Interracial marriage

level	5
topic	"Everyday life"
section	"Marriage and parenting"

Intrauterine device

level	5
topic	"Everyday life"
section	"Sexuality and gender"

Indie game

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"General video game topics"

Interactive fiction

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"General video game topics"

Ice skate

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Sports equipment"

Indian club

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Sports equipment"

Inline skates

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Sports equipment"

International Army Games

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"International competitions"

International cricket

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Team sports"

Ice Hockey World Championships

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Team sports"

IndyCar Series

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Motor racing"

Indianapolis 500

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Motor racing"

Ice dance

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Skating"

Inline skating

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Skating"

Inline speed skating

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Skating"

Inshore powerboat racing

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Powerboat racing"

Indian Premier League

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Sports leagues"

ITTF World Tour

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Sports leagues"

Inter Milan

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Association football_2"

India national cricket team

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Cricket"

India men's national field hockey team

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Field hockey"

International Blind Sports Federation

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Governing authorities"

International Fitness and Bodybuilding Federation

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Governing authorities"

International Boxing Association

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Governing authorities"

International Canoe Federation

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Governing authorities"

International Cricket Council

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Governing authorities"

International Federation for Equestrian Sports

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Governing authorities"

International Fencing Federation

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Governing authorities"

International Golf Federation

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Governing authorities"

International Gymnastics Federation

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Governing authorities"

International Handball Federation

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Governing authorities"

International Hockey Federation

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Governing authorities"

International Ice Hockey Federation

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Governing authorities"

International Judo Federation

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Governing authorities"

International Olympic Committee

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Governing authorities"

International Rugby League

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Governing authorities"

International Shooting Sport Federation

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Governing authorities"

International Skating Union

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Governing authorities"

International Ski and Snowboard Federation

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Governing authorities"

International Table Tennis Federation

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Governing authorities"

International Tennis Federation

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Governing authorities"

International Weightlifting Federation

level	5
topic	"Everyday life"
sublist	"Sports, games and recreation"
section	"Governing authorities"

Ifẹ

level	5
topic	"Geography"
sublist	"Cities"
section	"Nigeria"

Ikorodu

level	5
topic	"Geography"
sublist	"Cities"
section	"Nigeria"

Ilorin

level	5
topic	"Geography"
sublist	"Cities"
section	"Nigeria"

Indianapolis

level	5
topic	"Geography"
sublist	"Cities"
section	"Midwest"

Ibagué

level	5
topic	"Geography"
sublist	"Cities"
section	"Colombia"

Iquitos

level	5
topic	"Geography"
sublist	"Cities"
section	"Peru"

Iwaki, Fukushima

level	5
topic	"Geography"
sublist	"Cities"
section	"Tōhoku"

Iksan

level	5
topic	"Geography"
sublist	"Cities"
section	"South Korea"

Imphal

level	5
topic	"Geography"
sublist	"Cities"
section	"Northeast India"

Ipoh

level	5
topic	"Geography"
sublist	"Cities"
section	"Malaysia"

Imus

level	5
topic	"Geography"
sublist	"Cities"
section	"Luzon"

Iloilo City

level	5
topic	"Geography"
sublist	"Cities"
section	"Visayas"

Iligan

level	5
topic	"Geography"
sublist	"Cities"
section	"Mindanao"

Ilam, Iran

level	5
topic	"Geography"
sublist	"Cities"
section	"Iran"

Irbid

level	5
topic	"Geography"
sublist	"Cities"
section	"Jordan"

Idlib

level	5
topic	"Geography"
sublist	"Cities"
section	"Syria"

Iași

level	5
topic	"Geography"
sublist	"Cities"
section	"Romania"

Ivanovo

level	5
topic	"Geography"
sublist	"Cities"
section	"Central"

Irkutsk

level	5
topic	"Geography"
sublist	"Cities"
section	"Siberia"

Izhevsk

level	5
topic	"Geography"
sublist	"Cities"
section	"Volga"

Ivano-Frankivsk

level	5
topic	"Geography"
sublist	"Cities"
section	"Ukraine"

Innsbruck

level	5
topic	"Geography"
sublist	"Cities"
section	"Austria"

Inverness

level	5
topic	"Geography"
sublist	"Cities"
section	"Scotland"

Ioannina

level	5
topic	"Geography"
sublist	"Cities"
section	"Greece"

Ismailia Governorate

level	5
topic	"Geography"
sublist	"Countries"
section	"Egypt"

Imo State

level	5
topic	"Geography"
sublist	"Countries"
section	"Nigeria"

Ilam province

level	5
topic	"Geography"
sublist	"Countries"
section	"Iran"

Isfahan province

level	5
topic	"Geography"
sublist	"Countries"
section	"Iran"

Ishikawa Prefecture

level	5
topic	"Geography"
sublist	"Countries"
section	"Japan"

Ibaraki Prefecture

level	5
topic	"Geography"
sublist	"Countries"
section	"Japan"

Iwate Prefecture

level	5
topic	"Geography"
sublist	"Countries"
section	"Japan"

Islamabad Capital Territory

level	5
topic	"Geography"
sublist	"Countries"
section	"Pakistan"

Island groups of the Philippines

level	5
topic	"Geography"
sublist	"Countries"
section	"Philippines"

Ilocos Region

level	5
topic	"Geography"
sublist	"Countries"
section	"Philippines"

Ingushetia

level	5
topic	"Geography"
sublist	"Countries"
section	"Russia"

Irkutsk Oblast

level	5
topic	"Geography"
sublist	"Countries"
section	"Russia"

Ivano-Frankivsk Oblast

level	5
topic	"Geography"
sublist	"Countries"
section	"Ukraine"

Indian reservation

level	5
topic	"Geography"
sublist	"Countries"
section	"United States"

Indiana

level	5
topic	"Geography"
sublist	"Countries"
section	"United States"

Iowa

level	5
topic	"Geography"
sublist	"Countries"
section	"United States"

Inland Empire

level	5
topic	"Geography"
sublist	"Countries"
section	"United States"

Idaho

level	5
topic	"Geography"
sublist	"Countries"
section	"United States"

Indian subcontinent

level	5
topic	"Geography"
sublist	"Physical"
section	"Continents"

Ironbottom Sound

level	5
topic	"Geography"
sublist	"Physical"
section	"Oceans and seas"

IJsselmeer

level	5
topic	"Geography"
sublist	"Physical"
section	"Europe"

Indigirka

level	5
topic	"Geography"
sublist	"Physical"
section	"Northern Asia"

Ili River

level	5
topic	"Geography"
sublist	"Physical"
section	"Central Asia"

Iskar (river)

level	5
topic	"Geography"
sublist	"Physical"
section	"Europe_2"

Indian Ocean trade

level	5
topic	"Geography"
sublist	"Physical"
section	"Shipping routes"

Inside Passage

level	5
topic	"Geography"
sublist	"Physical"
section	"Shipping routes"

Intracoastal Waterway

level	5
topic	"Geography"
sublist	"Physical"
section	"Shipping routes"

Izu–Bonin–Mariana Arc

level	5
topic	"Geography"
sublist	"Physical"
section	"Seabed"

Island of Mozambique

level	5
topic	"Geography"
sublist	"Physical"
section	"Africa_3"

Itsukushima

level	5
topic	"Geography"
sublist	"Physical"
section	"Japan"

Izu Islands

level	5
topic	"Geography"
sublist	"Physical"
section	"Japan"

Ibiza

level	5
topic	"Geography"
sublist	"Physical"
section	"Europe_3"

Isle of Wight

level	5
topic	"Geography"
sublist	"Physical"
section	"British Isles"

Isles of Scilly

level	5
topic	"Geography"
sublist	"Physical"
section	"British Isles"

Inner Hebrides

level	5
topic	"Geography"
sublist	"Physical"
section	"British Isles"

Isle of Skye

level	5
topic	"Geography"
sublist	"Physical"
section	"British Isles"

Islands of the Clyde

level	5
topic	"Geography"
sublist	"Physical"
section	"British Isles"

Islands of the Forth

level	5
topic	"Geography"
sublist	"Physical"
section	"British Isles"

Ionian Islands

level	5
topic	"Geography"
sublist	"Physical"
section	"Greece"

Island of Montreal

level	5
topic	"Geography"
sublist	"Physical"
section	"Canada_2"

Isla Salas y Gómez

level	5
topic	"Geography"
sublist	"Physical"
section	"South America_3"

Isla Grande de Tierra del Fuego

level	5
topic	"Geography"
sublist	"Physical"
section	"South America_3"

Izu Peninsula

level	5
topic	"Geography"
sublist	"Physical"
section	"Asia_4"

Italian peninsula

level	5
topic	"Geography"
sublist	"Physical"
section	"Europe_4"

Isthmus of Corinth

level	5
topic	"Geography"
sublist	"Physical"
section	"Isthmuses"

Isthmus of Korea

level	5
topic	"Geography"
sublist	"Physical"
section	"Isthmuses"

Isthmus of Panama

level	5
topic	"Geography"
sublist	"Physical"
section	"Isthmuses"

Isthmus of Perekop

level	5
topic	"Geography"
sublist	"Physical"
section	"Isthmuses"

Isthmus of Suez

level	5
topic	"Geography"
sublist	"Physical"
section	"Isthmuses"

Isthmus of Tehuantepec

level	5
topic	"Geography"
sublist	"Physical"
section	"Isthmuses"

Itoigawa-Shizuoka Tectonic Line

level	5
topic	"Geography"
sublist	"Physical"
section	"Eastern Asia"

Ismoil Somoni Peak

level	5
topic	"Geography"
sublist	"Physical"
section	"Asia_6"

Irazú Volcano

level	5
topic	"Geography"
sublist	"Physical"
section	"Central America"

Illampu

level	5
topic	"Geography"
sublist	"Physical"
section	"South America_5"

Illimani

level	5
topic	"Geography"
sublist	"Physical"
section	"South America_5"

Imperial examination

level	5
topic	"History"
section	"History by continent and region"

Intellectual history

level	5
topic	"History"
section	"History by topic"

Iconography

level	5
topic	"History"
section	"History of art"

Italian neorealism

level	5
topic	"History"
section	"History of art"

Inca agriculture

level	5
topic	"History"
section	"History of agriculture"

Indo-European migrations

level	5
topic	"History"
section	"Prehistory"

Incense trade route

level	5
topic	"History"
section	"Ancient: General"

Indigo dye

level	5
topic	"History"
section	"Ancient: General"

Ionian Revolt

level	5
topic	"History"
section	"Europe_4"

Illyrians

level	5
topic	"History"
section	"Europe_4"

Israelites

level	5
topic	"History"
section	"Western Asia"

Indo-Parthian kingdom

level	5
topic	"History"
section	"Southern Asia"

Interregnum (Holy Roman Empire)

level	5
topic	"History"
section	"Western Europe"

Icelandic Commonwealth

level	5
topic	"History"
section	"Western Europe"

Italian Renaissance

level	5
topic	"History"
section	"Italy"

Italy in the Middle Ages

level	5
topic	"History"
section	"Italy"

Idrisid dynasty

level	5
topic	"History"
section	"Africa_5"

Ilkhanate

level	5
topic	"History"
section	"Central Asia and Iran"

Iranian Intermezzo

level	5
topic	"History"
section	"Central Asia and Iran"

Iberian Union

level	5
topic	"History"
section	"Western Europe_2"

Inca Civil War

level	5
topic	"History"
section	"Americas_4"

International relations (1814–1919)

level	5
topic	"History"
section	"Modern: General"

Interwar period

level	5
topic	"History"
section	"Modern: General"

Invasion of Poland

level	5
topic	"History"
section	"World War II"

Internment of Japanese Americans

level	5
topic	"History"
section	"World War II"

Italian campaign (World War II)

level	5
topic	"History"
section	"World War II"

Italian Empire

level	5
topic	"History"
section	"Europe_7"

Italo-Turkish War

level	5
topic	"History"
section	"Europe_7"

Irish revolutionary period

level	5
topic	"History"
section	"Europe_7"

Irish Civil War

level	5
topic	"History"
section	"Europe_7"

Irish War of Independence

level	5
topic	"History"
section	"Europe_7"

Idel-Ural State

level	5
topic	"History"
section	"Europe_7"

Independence of Brazil

level	5
topic	"History"
section	"Americas_5"

Immigration Act of 1924

level	5
topic	"History"
section	"United States_2"

Italo-Ethiopian War of 1887–1889

level	5
topic	"History"
section	"Africa_7"

Indonesian National Awakening

level	5
topic	"History"
section	"Southeastern Asia_3"

Invasion of the Waikato

level	5
topic	"History"
section	"Oceania_6"

Iran–Contra affair

level	5
topic	"History"
section	"Contemporary: General"

Insurgency in Khyber Pakhtunkhwa

level	5
topic	"History"
section	"Contemporary: General"

Insurgency in the Maghreb (2002–present)

level	5
topic	"History"
section	"Contemporary: General"

Internal resistance to apartheid

level	5
topic	"History"
section	"Africa_8"

Ifni War

level	5
topic	"History"
section	"Africa_8"

Ikiza

level	5
topic	"History"
section	"Africa_8"

Isaaq genocide

level	5
topic	"History"
section	"Africa_8"

I Have a Dream

level	5
topic	"History"
section	"United States_3"

Isabella Stewart Gardner Museum theft

level	5
topic	"History"
section	"United States_3"

Impeachment of Dilma Rousseff

level	5
topic	"History"
section	"South America_3"

Islamic Republic of Afghanistan

level	5
topic	"History"
section	"Central Asia_2"

Iran hostage crisis

level	5
topic	"History"
section	"Central Asia_2"

Indo-Pakistani war of 1971

level	5
topic	"History"
section	"South Asia_2"

Indonesian invasion of East Timor

level	5
topic	"History"
section	"Southeast Asia"

Indonesian occupation of East Timor

level	5
topic	"History"
section	"Southeast Asia"

Indonesian mass killings of 1965–66

level	5
topic	"History"
section	"Southeast Asia"

Indonesia–Malaysia confrontation

level	5
topic	"History"
section	"Southeast Asia"

Iran–Israel proxy conflict

level	5
topic	"History"
section	"West Asia"

Israel–Hamas war

level	5
topic	"History"
section	"West Asia"

Iraqi invasion of Kuwait

level	5
topic	"History"
section	"West Asia"

Iran–Saudi Arabia proxy conflict

level	5
topic	"History"
section	"West Asia"

Iran–United States relations

level	5
topic	"History"
section	"West Asia"

Islamic State

level	5
topic	"History"
section	"West Asia"

Inner German border

level	5
topic	"History"
section	"Western Europe_3"

Irish Republican Army (1922–1969)

level	5
topic	"History"
section	"Western Europe_3"

Infinity symbol

level	5
topic	"Mathematics"
section	"Basics"

Identity (mathematics)

level	5
topic	"Mathematics"
section	"Basics"

Injective function

level	5
topic	"Mathematics"
section	"Functions: General"

Inflection point

level	5
topic	"Mathematics"
section	"Functions: General"

Identity function

level	5
topic	"Mathematics"
section	"Specific functions"

Inverse trigonometric functions

level	5
topic	"Mathematics"
section	"Specific functions"

Inverse hyperbolic functions

level	5
topic	"Mathematics"
section	"Specific functions"

Invariant (mathematics)

level	5
topic	"Mathematics"
section	"Geometry: General"

Isometry

level	5
topic	"Mathematics"
section	"Geometry: General"

Internal and external angles

level	5
topic	"Mathematics"
section	"Two-dimensional space"

Isosceles triangle

level	5
topic	"Mathematics"
section	"Two-dimensional space"

Icosahedron

level	5
topic	"Mathematics"
section	"Three-dimensional space"

Inversive geometry

level	5
topic	"Mathematics"
section	"Non-Euclidean geometry"

Identity matrix

level	5
topic	"Mathematics"
section	"Linear algebra"

Inner product space

level	5
topic	"Mathematics"
section	"Linear algebra"

Isomorphism theorems

level	5
topic	"Mathematics"
section	"Abstract algebra"

Ideal (ring theory)

level	5
topic	"Mathematics"
section	"Abstract algebra"

Independence (probability theory)

level	5
topic	"Mathematics"
section	"Probability"

If and only if

level	5
topic	"Mathematics"
section	"Mathematical logic"

Intuitionistic logic

level	5
topic	"Mathematics"
section	"Mathematical logic"

Indexed family

level	5
topic	"Mathematics"
section	"Set theory"

Initial and terminal objects

level	5
topic	"Mathematics"
section	"Category theory"

Inclusion–exclusion principle

level	5
topic	"Mathematics"
section	"Combinatorics"

Intersection graph

level	5
topic	"Mathematics"
section	"Graph theory"

Infimum and supremum

level	5
topic	"Mathematics"
section	"Order theory"

Ideal (order theory)

level	5
topic	"Mathematics"
section	"Order theory"

Indeterminate form

level	5
topic	"Mathematics"
section	"Basics_2"

Infinitesimal

level	5
topic	"Mathematics"
section	"Basics_2"

Improper integral

level	5
topic	"Mathematics"
section	"Integral calculus"

Integration by parts

level	5
topic	"Mathematics"
section	"Integral calculus"

Integration by substitution

level	5
topic	"Mathematics"
section	"Integral calculus"

Iterated integral

level	5
topic	"Mathematics"
section	"Multivariable and vector calculus"

Integrating factor

level	5
topic	"Mathematics"
section	"Differential equations"

Initial condition

level	5
topic	"Mathematics"
section	"Dynamical systems"

Interpolation

level	5
topic	"Mathematics"
section	"Mathematical analysis"

Interval (mathematics)

level	5
topic	"Mathematics"
section	"Real analysis"

Intermediate value theorem

level	5
topic	"Mathematics"
section	"Real analysis"

Integer partition

level	5
topic	"Mathematics"
section	"Sums and products"

Information set (game theory)

level	5
topic	"Mathematics"
section	"Game theory"

Iaia

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Ancient era"

Ivan Aivazovsky

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Modern era"

Ivan Kramskoi

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Modern era"

Ivan Shishkin

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Modern era"

Ivan Meštrović

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Sculptors"

Isamu Noguchi

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Sculptors"

Ictinus

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Architects"

Isidore of Miletus

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Architects"

Inigo Jones

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Architects"

Iris Apfel

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Fashion"

Irving Penn

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Photographers"

Isaac Albéniz

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Post-romantic/early modern"

Iannis Xenakis

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Avant-garde/postmodern"

Isang Yun

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Avant-garde/postmodern"

Ignacy Jan Paderewski

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Pianists"

Itzhak Perlman

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Violinists"

Isaac Stern

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Violinists"

Isaac Watts

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Hymnists"

Ivy Queen

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Caribbean"

Israel Kamakawiwoʻole

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Folk"

IAM (band)

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"French"

Indochine (band)

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"French"

Irakli Charkviani

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Georgian"

Ichirō Fujiyama

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Japanese_2"

Ichirou Mizuki

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Japanese_2"

IU (singer)

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Korean_2"

INXS

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Rock: General"

Ike Turner

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Rock and roll"

Iron Maiden

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Heavy metal and hard rock"

Imogen Heap

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Electronic music"

Ice-T

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Hip-hop and rap"

Ice Cube

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Hip-hop and rap"

Ismail Marzuki

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Music producers, songwriters and businesspeople"

Ira Gershwin

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Musical theatre and film"

Ivor Novello

level	5
topic	"People"
sublist	"Artists, musicians, and composers"
section	"Musical theatre and film"

Ira Aldridge

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Stage"

Ian McKellen

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Europe"

Ivan Mosjoukine

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Europe"

Ivan Okhlobystin

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Europe"

Innokenty Smoktunovsky

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Europe"

Idris Elba

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Television"

Isabella Andreini

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Stage_2"

Idina Menzel

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Stage_2"

Irene Worth

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Stage_2"

Irene Dunne

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"United States_2"

Ileana D'Cruz

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Asia_2"

Isabelle Adjani

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Europe_2"

Isabelle Huppert

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Europe_2"

Ingrid Thulin

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Europe_2"

Ida Rubinstein

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Ballet"

Irwin Corey

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Traditional, stage and stand-up"

Imogene Coca

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Radio and television"

Ilona Staller

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Adult"

Isaac A. Van Amburgh

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Circus"

Isaac Fawkes

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Magicians"

Iman (model)

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Models"

Ira Glass

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Radio and podcast hosts"

Isaac W. Sprague

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Sideshow performers"

IJustine

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Web entertainers and internet personalities"

Idrissa Ouédraogo

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Africa_4"

Ishmael Bernal

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Asia_4"

Ishirō Honda

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Asia_4"

Ivan Pyryev

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Europe_3"

Irna Phillips

level	5
topic	"People"
sublist	"Entertainers, directors, producers, and screenwriters"
section	"Showrunners, television writers and producers"

Ignacio Zaragoza

level	5
topic	"People"
sublist	"Military personnel, revolutionaries, and activists"
section	"Americas: General"

Ivan Konev

level	5
topic	"People"
sublist	"Military personnel, revolutionaries, and activists"
section	"Soviet Union/Russia"

Issa Pliyev

level	5
topic	"People"
sublist	"Military personnel, revolutionaries, and activists"
section	"Soviet Union/Russia"

Irataba

level	5
topic	"People"
sublist	"Military personnel, revolutionaries, and activists"
section	"United States_4"

Ida B. Wells

level	5
topic	"People"
sublist	"Military personnel, revolutionaries, and activists"
section	"United States_4"

Itō Noe

level	5
topic	"People"
sublist	"Military personnel, revolutionaries, and activists"
section	"East Asia_2"

Ilia Chavchavadze

level	5
topic	"People"
sublist	"Military personnel, revolutionaries, and activists"
section	"Europe_3"

Igor Girkin

level	5
topic	"People"
sublist	"Military personnel, revolutionaries, and activists"
section	"Europe_3"

Ivan Kalyayev

level	5
topic	"People"
sublist	"Military personnel, revolutionaries, and activists"
section	"Europe_3"

Ingrid Newkirk

level	5
topic	"People"
sublist	"Military personnel, revolutionaries, and activists"
section	"Europe_3"

Igor Plotnitsky

level	5
topic	"People"
sublist	"Military personnel, revolutionaries, and activists"
section	"Europe_3"

Irena Sendler

level	5
topic	"People"
sublist	"Military personnel, revolutionaries, and activists"
section	"Europe_3"

Inna Shevchenko

level	5
topic	"People"
sublist	"Military personnel, revolutionaries, and activists"
section	"Europe_3"

Indra Nooyi

level	5
topic	"People"
sublist	"Miscellaneous"
section	"Food and drink"

Ivar Kreuger

level	5
topic	"People"
sublist	"Miscellaneous"
section	"Multiple industries"

Irineu Evangelista de Sousa, Viscount of Mauá

level	5
topic	"People"
sublist	"Miscellaneous"
section	"Multiple industries"

Isabella Stewart Gardner

level	5
topic	"People"
sublist	"Miscellaneous"
section	"Patrons and philanthropists"

Ingvar Kamprad

level	5
topic	"People"
sublist	"Miscellaneous"
section	"Retail"

Ingólfr Arnarson

level	5
topic	"People"
sublist	"Miscellaneous"
section	"Post-classical"

Isabella Bird

level	5
topic	"People"
sublist	"Miscellaneous"
section	"Modern"

Isabelle Eberhardt

level	5
topic	"People"
sublist	"Miscellaneous"
section	"Modern"

Irma Grese

level	5
topic	"People"
sublist	"Miscellaneous"
section	"Crimes against humanity"

Ilse Koch

level	5
topic	"People"
sublist	"Miscellaneous"
section	"Crimes against humanity"

Ivan Milat

level	5
topic	"People"
sublist	"Miscellaneous"
section	"Murder, serial killing, mass murder"

Ivan T. Sanderson

level	5
topic	"People"
sublist	"Miscellaneous"
section	"Paranormal"

Ian Stevenson

level	5
topic	"People"
sublist	"Miscellaneous"
section	"Paranormal"

Immanuel Velikovsky

level	5
topic	"People"
sublist	"Miscellaneous"
section	"Pseudoarchaeology and pseudohistory"

Ishi

level	5
topic	"People"
sublist	"Miscellaneous"
section	"Other_3"

Iamblichus

level	5
topic	"People"
sublist	"Philosophers, historians, political and social scientists"
section	"Ancient (before AD 500)"

Ikki Kita

level	5
topic	"People"
sublist	"Philosophers, historians, political and social scientists"
section	"Asia"

Imre Lakatos

level	5
topic	"People"
sublist	"Philosophers, historians, political and social scientists"
section	"Europe"

Inca Garcilaso de la Vega

level	5
topic	"People"
sublist	"Philosophers, historians, political and social scientists"
section	"Early modern (AD 1500 to 1800)_2"

Ibram X. Kendi

level	5
topic	"People"
sublist	"Philosophers, historians, political and social scientists"
section	"Modern (after AD 1800)_2"

Ian Kershaw

level	5
topic	"People"
sublist	"Philosophers, historians, political and social scientists"
section	"Modern (after AD 1800)_2"

Ilan Pappé

level	5
topic	"People"
sublist	"Philosophers, historians, political and social scientists"
section	"Modern (after AD 1800)_2"

Irving Fisher

level	5
topic	"People"
sublist	"Philosophers, historians, political and social scientists"
section	"Economists and business theorists"

Irene Heim

level	5
topic	"People"
sublist	"Philosophers, historians, political and social scientists"
section	"Linguists"

Irawati Karve

level	5
topic	"People"
sublist	"Philosophers, historians, political and social scientists"
section	"Sociologists"

Immanuel Wallerstein

level	5
topic	"People"
sublist	"Philosophers, historians, political and social scientists"
section	"Sociologists"

Irenäus Eibl-Eibesfeldt

level	5
topic	"People"
sublist	"Philosophers, historians, political and social scientists"
section	"Anthropologists and archaeologists"

Ian Hodder

level	5
topic	"People"
sublist	"Philosophers, historians, political and social scientists"
section	"Anthropologists and archaeologists"

Iolo Morganwg

level	5
topic	"People"
sublist	"Philosophers, historians, political and social scientists"
section	"Anthropologists and archaeologists"

Isaac Casaubon

level	5
topic	"People"
sublist	"Philosophers, historians, political and social scientists"
section	"Classicists"

Ivan Illich

level	5
topic	"People"
sublist	"Philosophers, historians, political and social scientists"
section	"Educators"

Isawa Shūji

level	5
topic	"People"
sublist	"Philosophers, historians, political and social scientists"
section	"Educators"

Ishwar Chandra Vidyasagar

level	5
topic	"People"
sublist	"Philosophers, historians, political and social scientists"
section	"Educators"

Ivy Lee

level	5
topic	"People"
sublist	"Philosophers, historians, political and social scientists"
section	"Public relations, marketing and advertising theorists"

Isocrates

level	5
topic	"People"
sublist	"Philosophers, historians, political and social scientists"
section	"Other social sciences"

Isabel Briggs Myers

level	5
topic	"People"
sublist	"Philosophers, historians, political and social scientists"
section	"Psychologists"

Iry-Hor

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Egypt"

Ibrahim II of Ifriqiya

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Africa_2"

Ismail Samani

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Central Asia, Iran, Caucasus"

Iltutmish

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Southern Asia_2"

Irene of Athens

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Byzantine Empire"

Iziaslav I of Kiev

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Russia and Ukraine"

Ismail Ibn Sharif

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Africa_3"

Ibrahim Pasha of Egypt

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Northern Africa"

Itagaki Taisuke

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Other_5"

Itō Hirobumi

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Other_5"

Isabella II

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Iberia_2"

Ignacy Mościcki

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Poland"

Idris of Libya

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Libya"

Ismaïl Omar Guelleh

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Djibouti"

Isaias Afwerki

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Ethiopia and Eritrea"

Ibrahim Babangida

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Nigeria"

Idriss Déby

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Chad"

Ian Smith

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Rhodesia and Zimbabwe"

Isabel Perón

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Argentina_2"

Itamar Franco

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Brazil_2"

Iván Duque

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Colombia_2"

Imelda Marcos

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Philippines"

Iajuddin Ahmed

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Bangladesh"

Inder Kumar Gujral

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"India_2"

Ibrahim Nasir

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Maldives"

Imran Khan

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Pakistan"

Ilham Aliyev

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Azerbaijan"

Islam Karimov

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Uzbekistan"

Isa bin Salman Al Khalifa

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Bahrain"

Ian Paisley

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Ireland_3"

Imre Nagy

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Hungary_2"

Ion Iliescu

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Southeastern Europe: General_2"

Ieremia Tabai

level	5
topic	"People"
sublist	"Politicians and leaders"
section	"Kiribati"

Isaac Abarbanel

level	5
topic	"People"
sublist	"Religious figures"
section	"Judaism"

Ignatius of Antioch

level	5
topic	"People"
sublist	"Religious figures"
section	"Pre-Schism"

Isidore of Seville

level	5
topic	"People"
sublist	"Religious figures"
section	"Pre-Schism"

Innocent of Alaska

level	5
topic	"People"
sublist	"Religious figures"
section	"Orthodox Church"

Isidore of Kiev

level	5
topic	"People"
sublist	"Religious figures"
section	"Orthodox Church"

Ibn Abbas

level	5
topic	"People"
sublist	"Religious figures"
section	"Islam: General"

Ibn Abidin

level	5
topic	"People"
sublist	"Religious figures"
section	"Sunni Islam"

Ibn Hajar al-Asqalani

level	5
topic	"People"
sublist	"Religious figures"
section	"Sunni Islam"

Ibn Hazm

level	5
topic	"People"
sublist	"Religious figures"
section	"Sunni Islam"

Ibn Kathir

level	5
topic	"People"
sublist	"Religious figures"
section	"Sunni Islam"

Ibn Qayyim al-Jawziyya

level	5
topic	"People"
sublist	"Religious figures"
section	"Sunni Islam"

Ibn Babawayh

level	5
topic	"People"
sublist	"Religious figures"
section	"Shia Islam"

Ibn Tumart

level	5
topic	"People"
sublist	"Religious figures"
section	"Others_2"

Ibn al-Nafis

level	5
topic	"People"
sublist	"Scientists, inventors, and mathematicians"
section	"Post-classical"

Ibn Sahl (mathematician)

level	5
topic	"People"
sublist	"Scientists, inventors, and mathematicians"
section	"Post-classical"

Ibn Yunus

level	5
topic	"People"
sublist	"Scientists, inventors, and mathematicians"
section	"Post-classical"

Ismail al-Jazari

level	5
topic	"People"
sublist	"Scientists, inventors, and mathematicians"
section	"Post-classical"

Ilya Frank

level	5
topic	"People"
sublist	"Scientists, inventors, and mathematicians"
section	"Modern"

Ivar Giaever

level	5
topic	"People"
sublist	"Scientists, inventors, and mathematicians"
section	"Modern"

Isidor Isaac Rabi

level	5
topic	"People"
sublist	"Scientists, inventors, and mathematicians"
section	"Modern"

Igor Tamm

level	5
topic	"People"
sublist	"Scientists, inventors, and mathematicians"
section	"Modern"

Irène Joliot-Curie

level	5
topic	"People"
sublist	"Scientists, inventors, and mathematicians"
section	"Chemistry"

Ilya Prigogine

level	5
topic	"People"
sublist	"Scientists, inventors, and mathematicians"
section	"Chemistry"

Ian Wilmut

level	5
topic	"People"
sublist	"Scientists, inventors, and mathematicians"
section	"Biology"

Ian Clunies Ross

level	5
topic	"People"
sublist	"Scientists, inventors, and mathematicians"
section	"Medicine"

Isamu Akasaki

level	5
topic	"People"
sublist	"Scientists, inventors, and mathematicians"
section	"Inventors and engineers"

Ignacy Łukasiewicz

level	5
topic	"People"
sublist	"Scientists, inventors, and mathematicians"
section	"Inventors and engineers"

Igor Sikorsky

level	5
topic	"People"
sublist	"Scientists, inventors, and mathematicians"
section	"Inventors and engineers"

Ingrid Daubechies

level	5
topic	"People"
sublist	"Scientists, inventors, and mathematicians"
section	"Modern_2"

Ioana Dumitriu

level	5
topic	"People"
sublist	"Scientists, inventors, and mathematicians"
section	"Modern_2"

Ina Kersten

level	5
topic	"People"
sublist	"Scientists, inventors, and mathematicians"
section	"Modern_2"

Ivan Sutherland

level	5
topic	"People"
sublist	"Scientists, inventors, and mathematicians"
section	"Computer scientists and programmers"

Ian Rush

level	5
topic	"People"
sublist	"Sports figures"
section	"European"

Iker Casillas

level	5
topic	"People"
sublist	"Sports figures"
section	"Goalkeepers"

Isiah Thomas

level	5
topic	"People"
sublist	"Sports figures"
section	"Guards_2"

Ichiro Suzuki

level	5
topic	"People"
sublist	"Sports figures"
section	"Others_4"

Inzamam-ul-Haq

level	5
topic	"People"
sublist	"Sports figures"
section	"Batters"

Ian Botham

level	5
topic	"People"
sublist	"Sports figures"
section	"All-rounders"

Ivan Lendl

level	5
topic	"People"
sublist	"Sports figures"
section	"Tennis"

Inbee Park

level	5
topic	"People"
sublist	"Sports figures"
section	"Golf"

Inessa Kravets

level	5
topic	"People"
sublist	"Sports figures"
section	"Athletics"

Irena Szewińska

level	5
topic	"People"
sublist	"Sports figures"
section	"Athletics"

Ilia Kulik

level	5
topic	"People"
sublist	"Sports figures"
section	"Figure skating"

Irina Rodnina

level	5
topic	"People"
sublist	"Sports figures"
section	"Figure skating"

Irina Slutskaya

level	5
topic	"People"
sublist	"Sports figures"
section	"Figure skating"

Ip Man

level	5
topic	"People"
sublist	"Sports figures"
section	"Martial arts in general"

Ivan Yarygin

level	5
topic	"People"
sublist	"Sports figures"
section	"Wrestling"

Ian Thorpe

level	5
topic	"People"
sublist	"Sports figures"
section	"Swimming"

Iris Kyle

level	5
topic	"People"
sublist	"Sports figures"
section	"Bodybuilding"

Ireen Wüst

level	5
topic	"People"
sublist	"Sports figures"
section	"Speed skating"

Ivano Balić

level	5
topic	"People"
sublist	"Sports figures"
section	"Handball"

Irene van Dyk

level	5
topic	"People"
sublist	"Sports figures"
section	"Netball"

Ivo Crapp

level	5
topic	"People"
sublist	"Sports figures"
section	"Australian rules football_2"

Ibn al-Muqaffa'

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Asia_2"

Ibn Tufayl

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Europe_2"

Ivan Krylov

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Europe_3"

Iceberg Slim

level	5
topic	"People"
sublist	"Writers and journalists"
section	"US and Canada"

Isaac Bashevis Singer

level	5
topic	"People"
sublist	"Writers and journalists"
section	"US and Canada"

Irving Wallace

level	5
topic	"People"
sublist	"Writers and journalists"
section	"US and Canada"

Isabel Allende

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Latin America"

Ignacio Manuel Altamirano

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Latin America"

Ichiyō Higuchi

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Asia_4"

Ivo Andrić

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Eastern Europe"

Ivan Cankar

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Eastern Europe"

István Fekete

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Eastern Europe"

Imre Kertész

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Eastern Europe"

Isaac Babel

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Russia"

Ilya Ehrenburg

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Russia"

Ivan Goncharov

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Russia"

Ilf and Petrov

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Russia"

Ilse Aichinger

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Western Europe"

Italo Calvino

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Western Europe"

Italo Svevo

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Western Europe"

Iain Banks

level	5
topic	"People"
sublist	"Writers and journalists"
section	"UK and Ireland"

Ian Fleming

level	5
topic	"People"
sublist	"Writers and journalists"
section	"UK and Ireland"

Ian McEwan

level	5
topic	"People"
sublist	"Writers and journalists"
section	"UK and Ireland"

Iris Murdoch

level	5
topic	"People"
sublist	"Writers and journalists"
section	"UK and Ireland"

Irvine Welsh

level	5
topic	"People"
sublist	"Writers and journalists"
section	"UK and Ireland"

Ibycus

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Europe_5"

Ibn al-Farid

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Asia_6"

Imru' al-Qais

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Asia_6"

Ihara Saikaku

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Asia_7"

Ivan Barkov

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Europe_7"

Ina Coolbrith

level	5
topic	"People"
sublist	"Writers and journalists"
section	"US and Canada_2"

Iraj Mirza

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Asia_8"

Isamu Yoshii

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Asia_8"

Ivan Vazov

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Eastern Europe_2"

Innokenty Annensky

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Russia_2"

Igor Severyanin

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Russia_2"

Isaac Rosenberg

level	5
topic	"People"
sublist	"Writers and journalists"
section	"UK and Ireland_2"

Imtiaz Ali Taj

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Asia_9"

Isabella Beeton

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Journalists: General"

I. F. Stone

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Journalists: General"

Ian Ross (newsreader)

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Broadcast journalists, presenters and commentators"

Irwin Chusid

level	5
topic	"People"
sublist	"Writers and journalists"
section	"Critics"

Informal logic

level	5
topic	"Philosophy and religion"
section	"Logic"

Idea

level	5
topic	"Philosophy and religion"
section	"Concepts_2"

Ineffability

level	5
topic	"Philosophy and religion"
section	"Concepts_2"

Inquiry

level	5
topic	"Philosophy and religion"
section	"Concepts_2"

Inductivism

level	5
topic	"Philosophy and religion"
section	"Philosophy of science"

Intelligent design

level	5
topic	"Philosophy and religion"
section	"Beliefs"

Irreligion

level	5
topic	"Philosophy and religion"
section	"Non-theistic philosophies"

Indulgence

level	5
topic	"Philosophy and religion"
section	"Theology"

Ignatian spirituality

level	5
topic	"Philosophy and religion"
section	"Practices_2"

Ichthys

level	5
topic	"Philosophy and religion"
section	"Practices_2"

Islamic studies

level	5
topic	"Philosophy and religion"
section	"Basics_5"

Ibadah

level	5
topic	"Philosophy and religion"
section	"Basics_5"

Islamic holy books

level	5
topic	"Philosophy and religion"
section	"Texts"

I'jaz

level	5
topic	"Philosophy and religion"
section	"Texts"

Isma'ilism

level	5
topic	"Philosophy and religion"
section	"Schools"

Ibadi Islam

level	5
topic	"Philosophy and religion"
section	"Schools"

Ijma

level	5
topic	"Philosophy and religion"
section	"Terms"

Istihsan

level	5
topic	"Philosophy and religion"
section	"Terms"

Iman (Islam)

level	5
topic	"Philosophy and religion"
section	"Beliefs_2"

Islamic eschatology

level	5
topic	"Philosophy and religion"
section	"Beliefs_2"

Indian religions

level	5
topic	"Philosophy and religion"
section	"Major religions"

Impermanence

level	5
topic	"Philosophy and religion"
section	"Common concepts_2"

Ishvara

level	5
topic	"Philosophy and religion"
section	"Concepts_4"

International Society for Krishna Consciousness

level	5
topic	"Philosophy and religion"
section	"Schools_2"

Ifá

level	5
topic	"Philosophy and religion"
section	"Other religions: General"

Illuminati

level	5
topic	"Philosophy and religion"
section	"Western esotericism"

Irish mythology

level	5
topic	"Philosophy and religion"
section	"By culture and religion"

Islamic mythology

level	5
topic	"Philosophy and religion"
section	"By culture and religion"

Icarus

level	5
topic	"Philosophy and religion"
section	"Greek mythological people"

Indra

level	5
topic	"Philosophy and religion"
section	"Hindu mythology"

Inari Ōkami

level	5
topic	"Philosophy and religion"
section	"Shinto mythology"

Incubus

level	5
topic	"Philosophy and religion"
section	"Legendary creatures"

Iblis

level	5
topic	"Philosophy and religion"
section	"Legendary creatures"

Iram of the Pillars

level	5
topic	"Philosophy and religion"
section	"Mythological places"

Imperial Regalia of Japan

level	5
topic	"Philosophy and religion"
section	"Mythological objects"

Interstellar object

level	5
topic	"Physical sciences"
sublist	"Astronomy"
section	"Astronomy basics"

Infrared astronomy

level	5
topic	"Physical sciences"
sublist	"Astronomy"
section	"Basics"

Interplanetary dust cloud

level	5
topic	"Physical sciences"
sublist	"Astronomy"
section	"Solar System"

Internal structure of the Moon

level	5
topic	"Physical sciences"
sublist	"Astronomy"
section	"Solar System"

Iapetus (moon)

level	5
topic	"Physical sciences"
sublist	"Astronomy"
section	"Solar System"

IC 1101

level	5
topic	"Physical sciences"
sublist	"Astronomy"
section	"Notable galaxies"

IC 342/Maffei Group

level	5
topic	"Physical sciences"
sublist	"Astronomy"
section	"Notable galaxy clusters"

Indus (constellation)

level	5
topic	"Physical sciences"
sublist	"Astronomy"
section	"Other"

IAU definition of planet

level	5
topic	"Physical sciences"
sublist	"Astronomy"
section	"Planetary science"

Iron planet

level	5
topic	"Physical sciences"
sublist	"Astronomy"
section	"Planetary science"

Ice giant

level	5
topic	"Physical sciences"
sublist	"Astronomy"
section	"Planetary science"

Instability strip

level	5
topic	"Physical sciences"
sublist	"Astronomy"
section	"Stellar astronomy"

Intergalactic star

level	5
topic	"Physical sciences"
sublist	"Astronomy"
section	"Stellar astronomy"

Initial mass function

level	5
topic	"Physical sciences"
sublist	"Astronomy"
section	"Stellar astronomy"

Intermediate-mass black hole

level	5
topic	"Physical sciences"
sublist	"Astronomy"
section	"Basics_2"

Interstellar cloud

level	5
topic	"Physical sciences"
sublist	"Astronomy"
section	"Basics_2"

Interstellar ice

level	5
topic	"Physical sciences"
sublist	"Astronomy"
section	"Basics_2"

Interacting galaxy

level	5
topic	"Physical sciences"
sublist	"Astronomy"
section	"Basics_2"

Intergalactic dust

level	5
topic	"Physical sciences"
sublist	"Astronomy"
section	"Basics_2"

Intracluster medium

level	5
topic	"Physical sciences"
sublist	"Astronomy"
section	"Basics_2"

Interdisciplinarity

level	5
topic	"Physical sciences"
sublist	"Basics and measurement"
section	"Science basics"

Information science

level	5
topic	"Physical sciences"
sublist	"Basics and measurement"
section	"Science basics"

Imperial and US customary measurement systems

level	5
topic	"Physical sciences"
sublist	"Basics and measurement"
section	"Measurement systems"

International yard and pound

level	5
topic	"Physical sciences"
sublist	"Basics and measurement"
section	"Measurement systems"

International Prototype of the Kilogram

level	5
topic	"Physical sciences"
sublist	"Basics and measurement"
section	"Measurement systems"

International System of Quantities

level	5
topic	"Physical sciences"
sublist	"Basics and measurement"
section	"Measurement systems"

Inverse second

level	5
topic	"Physical sciences"
sublist	"Basics and measurement"
section	"Angular velocity"

IUPAC nomenclature of organic chemistry

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Nomenclature"

IUPAC nomenclature of inorganic chemistry

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Nomenclature"

Ionization energy

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Periodic table"

Isomer

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Substance"

Isotopes of hydrogen

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"s-Block"

Isotopes of helium

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"s-Block"

Isotopes of lithium

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Group 1"

Isotopes of beryllium

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Group 2"

Isotopes of boron

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Group 13"

Isotopes of carbon

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Group 14"

Isotopes of nitrogen

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Group 15"

Isotopes of oxygen

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Group 16"

Isotopes of fluorine

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Group 17"

Intermetallic

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Alloys and ceramic compounds"

Interstitial defect

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Alloys and ceramic compounds"

Ice crystal

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Water"

Isopropyl alcohol

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Alcohols"

Imidazole

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Alkaloids"

Isoprene

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Terpenes and terpenoids"

Iron(III) chloride

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Halide salts"

Iodide

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Halide salts"

Iron(III) citrate

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Citrates"

Iron oxide

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Oxide salts"

Iron(II) oxide

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Oxide salts"

Iron(II,III) oxide

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Oxide salts"

Iron(III) oxide

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Oxide salts"

Iron(II) sulfate

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Sulfuric oxyanions"

Iron(III) sulfate

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Sulfuric oxyanions"

Iron(II) sulfide

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Sulfide salts"

Instrumental chemistry

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Basics_2"

Infrared spectroscopy

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Spectroscopy"

Isomerization

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Basics_3"

Ion chromatography

level	5
topic	"Physical sciences"
sublist	"Chemistry"
section	"Chromatography"

Ice–albedo feedback

level	5
topic	"Physical sciences"
sublist	"Earth science"
section	"Climate change"

Indian summer

level	5
topic	"Physical sciences"
sublist	"Earth science"
section	"Meteorology: General"

Ice pellets

level	5
topic	"Physical sciences"
sublist	"Earth science"
section	"Precipitation"

Ice storm

level	5
topic	"Physical sciences"
sublist	"Earth science"
section	"Storms"

Intertropical Convergence Zone

level	5
topic	"Physical sciences"
sublist	"Earth science"
section	"Winds"

Ice core

level	5
topic	"Physical sciences"
sublist	"Earth science"
section	"Geology: General"

Isotope geochemistry

level	5
topic	"Physical sciences"
sublist	"Earth science"
section	"Geochemistry"

Igneous differentiation

level	5
topic	"Physical sciences"
sublist	"Earth science"
section	"Geochemistry"

Ionosphere

level	5
topic	"Physical sciences"
sublist	"Earth science"
section	"Geophysics"

Isostasy

level	5
topic	"Physical sciences"
sublist	"Earth science"
section	"Geophysics"

Interplate earthquake

level	5
topic	"Physical sciences"
sublist	"Earth science"
section	"Seismology"

Intraplate earthquake

level	5
topic	"Physical sciences"
sublist	"Earth science"
section	"Seismology"

Iapetus Ocean

level	5
topic	"Physical sciences"
sublist	"Earth science"
section	"Paleogeography"

Iceland spar

level	5
topic	"Physical sciences"
sublist	"Earth science"
section	"Minerals"

Ilmenite

level	5
topic	"Physical sciences"
sublist	"Earth science"
section	"Minerals"

Intrusive rock

level	5
topic	"Physical sciences"
sublist	"Earth science"
section	"Petrology"

Igneous intrusion

level	5
topic	"Physical sciences"
sublist	"Earth science"
section	"Petrology"

Ironstone

level	5
topic	"Physical sciences"
sublist	"Earth science"
section	"Petrology"

Indo-Australian plate

level	5
topic	"Physical sciences"
sublist	"Earth science"
section	"Tectonic plates"

Isostatic depression

level	5
topic	"Physical sciences"
sublist	"Earth science"
section	"Landforms: General"

Islet

level	5
topic	"Physical sciences"
sublist	"Earth science"
section	"Oceanic and coastal landforms"

Isthmus

level	5
topic	"Physical sciences"
sublist	"Earth science"
section	"Oceanic and coastal landforms"

Intertidal zone

level	5
topic	"Physical sciences"
sublist	"Earth science"
section	"Oceanography"

Introduction to gauge theory

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Physics basics: General"

Instability

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Physics basics: General"

Impedance of free space

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Physical constants"

Intensity (physics)

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Optics"

Invisibility

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Optics"

Illuminance

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Optics"

ISCC–NBS system

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Basics"

Impossible color

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Basics"

Indigo

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Colors"

Ising model

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Magnetostatics"

Irradiance

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Electromagnetic radiation"

Insulator (electricity)

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Electrical circuits"

Inelastic collision

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Basics_4"

Introduction to quantum mechanics

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Quantum mechanics"

Interpretations of quantum mechanics

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Quantum mechanics"

Invariant (physics)

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Quantum mechanics"

Inertial frame of reference

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Classical mechanics"

Impact (mechanics)

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Classical mechanics"

Incompressible flow

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Fluid mechanics"

Indistinguishable particles

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Statistical mechanics"

Island of stability

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Nuclear physics"

Inelastic scattering

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Particle physics: General"

Isospin

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Quantum numbers"

Introduction to general relativity

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Theory of relativity"

Internal pressure

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Thermodynamics"

Introduction to entropy

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Thermodynamics"

Ideal gas

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Thermodynamics"

Isenthalpic process

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Thermodynamics"

Isothermal process

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Thermodynamics"

Irreversible process

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Thermodynamics"

Intensive and extensive properties

level	5
topic	"Physical sciences"
sublist	"Physics"
section	"Thermodynamics"

Interview

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Communication"

Innuendo

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Communication"

Interpersonal communication

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Communication"

Intrapersonal communication

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Communication"

Islamic culture

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Culture by region"

International Women's Day

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Specific holidays and festivals"

International Workers' Day

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Specific holidays and festivals"

Islamic New Year

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Islamic holidays"

Institute of technology

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Education: General"

Indiana University Bloomington

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Big Ten"

Ivy League

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Ivy League"

Indira Gandhi National Open University

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"India"

Islamic Azad University

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Iran"

Imperial College London

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Russell Group"

Indigenous peoples in Canada

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Indigenous people"

Indigenous peoples of Mexico

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Indigenous people"

Indigenous peoples of South America

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Indigenous people"

Indigenous peoples of Siberia

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Asia_3"

Intensifier

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Language: General"

Interpretive discussion

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Language: General"

Input hypothesis

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Language acquisition"

Interlanguage

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Language acquisition"

Idiom

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Grammar"

Inflection

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Grammar"

Interpunct

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Grammar"

Internet linguistics

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Applied linguistics"

Intonation (linguistics)

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Descriptive linguistics"

Ideogram

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Theoretical linguistics"

Indus script

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Alphabets and writing systems"

Inuktitut

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Eskaleut languages"

Iñupiaq language

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Eskaleut languages"

Irish language

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Celtic languages"

Indian English

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Germanic languages"

Icelandic language

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Germanic languages"

International English

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"The English language"

Investigative journalism

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Journalism"

Independent media

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Mass media"

Izvestia

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Russia_2"

I'm Sorry I Haven't a Clue

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Programs"

It's That Man Again

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Programs"

ITV (TV network)

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"British TV networks"

Inspector Montalbano (TV series)

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Europe_5"

Inspector Gadget (1983 TV series)

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"France_3"

I Love Lucy

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Pre-1960"

I Dream of Jeannie

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"1960–1979"

It's Always Sunny in Philadelphia

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Post-1999"

Internet celebrity

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Internet medium"

Internet meme

level	5
topic	"Society and social sciences"
sublist	"Culture"
section	"Internet medium"

Indian rupee

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Specific currencies"

Investment banking

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Banking and financing"

Income

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Banking and financing"

Investor

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Banking and financing"

Income statement

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Accounting"

Inventory

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Business: General"

Industry (economics)

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Industry"

Industrial society

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Industry"

Industrial relations

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Employment"

Industrial unionism

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Employment"

I Love New York

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Marketing"

Infomercial

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Marketing"

Indirect tax

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Taxation"

Inheritance tax

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Taxation"

Industrial Workers of the World

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Individual trade unions"

Informal economy

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Economics_2"

Impossible trinity

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Economics_2"

ING Group

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Europe"

Industrial and Commercial Bank of China

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Asia"

Intel

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Computing, telecommunication, electronics, and software"

Intuit

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Computing, telecommunication, electronics, and software"

IKEA

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Retailers"

Indian Railways

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Rail operators"

Impeachment

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Basics"

Individual and group rights

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Rights"

Israeli law

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Asia_4"

Immigration law

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Administrative law"

Intentional tort

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Common law"

Intentional infliction of emotional distress

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Common law"

Independence referendum

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"International law"

International criminal law

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"International law"

International human rights law

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"International law"

International taxation

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"International law"

International humanitarian law

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"International law"

International judicial institution

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Institutions"

Identity document

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Institutions"

International security

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Institutions"

International Criminal Tribunal for the former Yugoslavia

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Specific institutions"

International Military Tribunal for the Far East

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Specific institutions"

Intention (criminal law)

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Crime"

Indictable offence

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Crime classes"

Identity theft

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Crimes against the person"

Infanticide

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Crimes against the person"

Indecent exposure

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Crimes against public order"

Inchoate offense

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Inchoate offenses"

Incitement

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Inchoate offenses"

Interrogation

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Criminal procedure"

Instrument of Government

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Political charters"

Internal Revenue Service

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"United States_2"

Independent Commission Against Corruption (Hong Kong)

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Other_2"

International Chamber of Commerce

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Intergovernmental organizations"

International Organization for Migration

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Intergovernmental organizations"

Inter-Parliamentary Union

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Intergovernmental organizations"

Islamic Development Bank

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Intergovernmental organizations"

International Civil Aviation Organization

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"United Nations"

International Telecommunication Union

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"United Nations"

International Bank for Reconstruction and Development

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"United Nations"

International Development Association

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"United Nations"

International Finance Corporation

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"United Nations"

Institute of Electrical and Electronics Engineers

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Non-governmental organizations"

International Air Transport Association

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Non-governmental organizations"

International Astronomical Union

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Non-governmental organizations"

International Bureau of Weights and Measures

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Non-governmental organizations"

International Commission on Illumination

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Non-governmental organizations"

International Council of Museums

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Non-governmental organizations"

International Council on Monuments and Sites

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Non-governmental organizations"

International Hydrographic Organization

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Non-governmental organizations"

International Maritime Organization

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Non-governmental organizations"

International Mathematical Union

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Non-governmental organizations"

International Organization for Standardization

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Non-governmental organizations"

International Union for Conservation of Nature

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Non-governmental organizations"

International Union of Pure and Applied Chemistry

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Non-governmental organizations"

International Planned Parenthood Federation

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Non-governmental organizations"

International Council for Science

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Non-governmental organizations"

International Workingmen's Association

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"International political party federations"

Indian National Congress

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Political parties"

Institutional Revolutionary Party

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Political parties"

International relations theory

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Politics"

International order

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Politics"

Individualist anarchism

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Ideology and political theory"

Invisible hand

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Ideology and political theory"

Islamic socialism

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Ideology and political theory"

Italian fascism

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Ideology and political theory"

Internationalism (politics)

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Ideology and political theory"

Islamic fundamentalism

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Ideology and political theory"

Identity politics

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Ideology and political theory"

Individualism

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Ideology and political theory"

Impressment

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Basics_2"

Information warfare

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Warfare by type"

Irregular warfare

level	5
topic	"Society and social sciences"
sublist	"Politics and economics"
section	"Warfare by type"

Information management

level	5
topic	"Society and social sciences"
sublist	"Social studies"
section	"Information"

Information security

level	5
topic	"Society and social sciences"
sublist	"Social studies"
section	"Information"

Information society

level	5
topic	"Society and social sciences"
sublist	"Social studies"
section	"Information"

Industrial and organizational psychology

level	5
topic	"Society and social sciences"
sublist	"Social studies"
section	"Basics_2"

Irrationality

level	5
topic	"Society and social sciences"
sublist	"Social studies"
section	"Cognition"

Intelligence quotient

level	5
topic	"Society and social sciences"
sublist	"Social studies"
section	"Concepts"

Id, ego and superego

level	5
topic	"Society and social sciences"
sublist	"Social studies"
section	"Concepts"

Imitation

level	5
topic	"Society and social sciences"
sublist	"Social studies"
section	"Concepts"

Indoctrination

level	5
topic	"Society and social sciences"
sublist	"Social studies"
section	"Interpersonal relations"

Interpersonal attraction

level	5
topic	"Society and social sciences"
sublist	"Social studies"
section	"Interpersonal relations"

International organization

level	5
topic	"Society and social sciences"
sublist	"Social studies"
section	"Groups"

Internet culture

level	5
topic	"Society and social sciences"
sublist	"Social studies"
section	"Groups"

Intersectionality

level	5
topic	"Society and social sciences"
sublist	"Social studies"
section	"Social status"

Islamophobia

level	5
topic	"Society and social sciences"
sublist	"Social studies"
section	"Discrimination"

Innovation

level	5
topic	"Technology"
section	"General"

Invention

level	5
topic	"Technology"
section	"General"

Intensive animal farming

level	5
topic	"Technology"
section	"Agriculture_2"

Intercropping

level	5
topic	"Technology"
section	"Agriculture_2"

Integrated multi-trophic aquaculture

level	5
topic	"Technology"
section	"Aquaculture"

Insecticide

level	5
topic	"Technology"
section	"Pest and disease control"

Integrated pest management

level	5
topic	"Technology"
section	"Pest and disease control"

Indigenous horticulture

level	5
topic	"Technology"
section	"Horticulture"

Instruction set architecture

level	5
topic	"Technology"
section	"Computer architecture concepts"

IBM POWER architecture

level	5
topic	"Technology"
section	"Computer architecture concepts"

IBM PC–compatible

level	5
topic	"Technology"
section	"Computer hardware"

Industry Standard Architecture

level	5
topic	"Technology"
section	"Computer hardware"

Intel High Definition Audio

level	5
topic	"Technology"
section	"Computer hardware"

IEEE 1394

level	5
topic	"Technology"
section	"User interface"

Input method

level	5
topic	"Technology"
section	"Computer software"

ISO 9660

level	5
topic	"Technology"
section	"Data storage and memory"

Image file format

level	5
topic	"Technology"
section	"File format"

Intranet

level	5
topic	"Technology"
section	"Networks"

Internet Message Access Protocol

level	5
topic	"Technology"
section	"Networks"

Internet of things

level	5
topic	"Technology"
section	"Networks"

Instant messaging

level	5
topic	"Technology"
section	"Internet"

IRC

level	5
topic	"Technology"
section	"Internet"

Internet Protocol

level	5
topic	"Technology"
section	"Internet"

IP address

level	5
topic	"Technology"
section	"Internet"

IPv4

level	5
topic	"Technology"
section	"Internet"

IPv6

level	5
topic	"Technology"
section	"Internet"

Internet service provider

level	5
topic	"Technology"
section	"Internet"

Internet forum

level	5
topic	"Technology"
section	"Internet"

Internet Archive

level	5
topic	"Technology"
section	"Utility"

IMDb

level	5
topic	"Technology"
section	"Utility"

ICQ

level	5
topic	"Technology"
section	"Social network and blogging"

Instagram

level	5
topic	"Technology"
section	"Social network and blogging"

Iteration

level	5
topic	"Technology"
section	"Software development: General"

Interpreter (computing)

level	5
topic	"Technology"
section	"Software development: General"

Imperative programming

level	5
topic	"Technology"
section	"Software development: General"

ISBN

level	5
topic	"Technology"
section	"Other media and communication technology"

ISDB

level	5
topic	"Technology"
section	"Other media and communication technology"

IPad

level	5
topic	"Technology"
section	"Specific hardware"

IPod

level	5
topic	"Technology"
section	"Specific hardware"

IMac

level	5
topic	"Technology"
section	"Specific hardware"

IBM Personal Computer

level	5
topic	"Technology"
section	"Early computers"

IBM 7030 Stretch

level	5
topic	"Technology"
section	"Early computers"

Internet Explorer

level	5
topic	"Technology"
section	"Browsers"

Inkscape

level	5
topic	"Technology"
section	"Multimedia_2"

ITunes

level	5
topic	"Technology"
section	"Multimedia_2"

IOS

level	5
topic	"Technology"
section	"Operating Systems"

Inverter (logic gate)

level	5
topic	"Technology"
section	"Digital logic"

Induction generator

level	5
topic	"Technology"
section	"Power generation"

Inertial confinement fusion

level	5
topic	"Technology"
section	"Power generation"

Interconnector

level	5
topic	"Technology"
section	"Electricity transmission and distribution"

Incineration

level	5
topic	"Technology"
section	"Industry: General"

Ironstone china

level	5
topic	"Technology"
section	"Materials"

Injection moulding

level	5
topic	"Technology"
section	"Materials"

Induction furnace

level	5
topic	"Technology"
section	"Metallurgy"

In situ chemical oxidation

level	5
topic	"Technology"
section	"Environmental remediation"

Inn

level	5
topic	"Technology"
section	"Residential buildings and housing units"

Intermodal container

level	5
topic	"Technology"
section	"Containers"

Inclinometer

level	5
topic	"Technology"
section	"Surveying tools"

IWI Tavor

level	5
topic	"Technology"
section	"Specific firearms"

Intercontinental ballistic missile

level	5
topic	"Technology"
section	"Missiles"

Infantry fighting vehicle

level	5
topic	"Technology"
section	"Maneuver"

Interdictor

level	5
topic	"Technology"
section	"Military aviation"

Interceptor aircraft

level	5
topic	"Technology"
section	"Military aviation"

Ironclad warship

level	5
topic	"Technology"
section	"Naval warfare"

International Atomic Time

level	5
topic	"Technology"
section	"Timekeeping"

Instant camera

level	5
topic	"Technology"
section	"Photography"

Infrared telescope

level	5
topic	"Technology"
section	"Telescope"

INTEGRAL

level	5
topic	"Technology"
section	"Space-based observatories"

IRAS

level	5
topic	"Technology"
section	"Space-based observatories"

IceCube Neutrino Observatory

level	5
topic	"Technology"
section	"Ground-based observatories"

Interstellar travel

level	5
topic	"Technology"
section	"Basics_5"

ISRO

level	5
topic	"Technology"
section	"Programs and launch sites"

Israel Space Agency

level	5
topic	"Technology"
section	"Programs and launch sites"

Intermodal passenger transport

level	5
topic	"Technology"
section	"Basics_6"

Induced demand

level	5
topic	"Technology"
section	"Basics_6"

Interchange (road)

level	5
topic	"Technology"
section	"Road infrastructure"

Intersection (road)

level	5
topic	"Technology"
section	"Road infrastructure"

Interurban

level	5
topic	"Technology"
section	"Rail and cable transport"

Icebreaker

level	5
topic	"Technology"
section	"Naval transport"

Integrated modular avionics

level	5
topic	"Technology"
section	"Aircraft components"

Ilyushin Il-76

level	5
topic	"Technology"
section	"Specific aircraft_2"

Indira Gandhi International Airport

level	5
topic	"Technology"
section	"Asia"

Intercontinental and transoceanic fixed links

level	5
topic	"Technology"
section	"Ground transportation networks"

Interstate Highway System

level	5
topic	"Technology"
section	"Ground transportation networks"

Istanbul Metro

level	5
topic	"Technology"
section	"Europe_2"

Intercity Express

level	5
topic	"Technology"
section	"High-speed rail"