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The kinetic theory, or the particle theory of matter, helps explain why solids, liquids and gases behave differently. There are three main ideas in the kinetic theory.
In the italiann schools we are obliged to teach in a relative language that i sthe english ones. On the basys of this , all teachers re called to make the best to reach this purpose. Herein we want toexplain how to write a clil unit in particular for all chemistry teachers.
Journal of Science Education and Technology, 2000
The studies reported in this paper are an initial effort to explore the applicability of computational models in introductory science learning. Two instructional interventions are described that use a molecular dynamics model embedded in a set of online learning activities with middle and high school students in ten classrooms. The studies indicate that middle and high schools students can acquire robust mental models of the states of matter through guided explorations of computational models of matter based on molecular dynamics. Using this approach, students accurately recall arrangements of the different states of matter, and can reason about atomic interactions. These results are independent of gender and they hold for a number of different classroom contexts. Follow-up interviews indicate that students are able to transfer their understanding of phases of matter to new contexts.
International Journal of Science and Mathematics Education, 2010
This paper reports on the understanding of three key conceptual categories relating to the kinetic particle theory: (1) intermolecular spacing in solids, liquids and gases, (2) changes of state and intermolecular forces and (3) diffusion in liquids and gases, amongst 148 high school students from Brunei, Australia, Hong Kong and Singapore using 11 multiple-choice items that required students to provide explanations for their selection of particular responses to the items. Students’ responses to the items revealed limited understanding of the particle theory concepts, with nine alternative conceptions held by more than 10% of various samples of students. Also, 40.5–78.4% of all students indicated consistent understanding relating to the three conceptual categories based on their responses to the 11 items. However, when their explanations were taken into account, very few students displayed consistent understanding of the related concepts.
douăzeci și unu Capitolul douăzeci și doi Capitolul douăzeci și trei Capitolul douăzeci și patru Capitolul douăzeci și cinci Capitolul douăzeci și șase Capitolul douăzeci și șapte Capitolul douăzeci și opt Capitolul douăzeci și nouă Capitolul treizeci Capitolul treizeci și unu Capitolul treizeci și doi Capitolul treizeci și trei Capitolul treizeci și patru Capitolul treizeci și cinci
Anatomía_Humana_en_Casos_Clínicos_3
SECCIÓN 1 | DORSO Erectores de la columna Columna externa Columna intermedia Columna medial Transverso espinoso Semiespinoso Multífido Rotadores * Presentes-Ausentes librosmedicina.org SECCIÓN 1 | INTRODUCCIÓN A DE USO DE LOS CASOS CLÍNICOS representa el tema que se puede revisar de acuerdo a la presentación y abordaje del caso clínico: Espina bífida Vértebras Ligamentos Médula espinal Escoliosis Vértebras Ligamentos Osteoporosis Vértebras b. Curvaturas Porción proximal del fémur Artrosis de columna Vértebras b. Ligamentos Disco intervertebral Espondilolistesis a. Reflejos-nervios b. Nervio isquiático c Nervio tibial d. Nervio fibular Fractura de axis a. C1 y C2 b. Ligamentos c. Desarrollo embriológico 1 EXPLORACIÓN FÍSICA DEL DORSO PRESENTACIÓN DEL CASO Un hombre de 30 años de edad acude para valoración médica. En la exploración física de la región dorsal con el paciente en posición anatómica, se encontró lo siguiente: a la inspección, la columna vertebral alineada, sin lesiones aparentes; en una vista lateral las curvaturas cervical, torácica y lumbosacra se encontraron normales. A la palpación, los procesos espinosos se observaron alineadas en el mismo eje y todas presentes; no se palparon masas anómalas ni se informa dolor. Se le pidió al paciente que elevara los hombros contra resistencia sin dificultad para lograrlo. A la palpación de los músculos paravertebrales, se encontraron de consistencia normal y sin presentar dolor. Se evaluaron los arcos de movimiento de flexión, extensión, rotación y flexión lateral, sin evidencia de anormalidad. La prueba de Schober fue negativa. Fuerza muscular normal. COMPETENCIAS Analizar la anatomía de superficie del dorso utilizando como referencia la exploración física del dorso. O RECORDATORIO ANATÓMICO La anatomía de superficie de la región del dorso se utiliza para ubicar grupos musculares y determinar topográficamente la localización de órganos, y es útil para realizar procedimientos clínicos, por ejemplo, la punción lumbar (fig. 1-1). Además, permite estimar la posición aproximada del extremo inferior de la médula espinal utilizando los niveles vertebrales.
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