Lesson Plan: Brownian Motion | Nagwa Lesson Plan: Brownian Motion | Nagwa

Lesson Plan: Brownian Motion Physics • Second Year of Secondary School

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This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to describe the Brownian motion of particles and how this explains the diffusion of gases.

Objectives

Students will be able to

  • distinguish between random motion and predictable motion,
  • recognize that, for systems of large numbers of objects that each individually move predictably, the interactions between the objects make each object’s motion effectively random,
  • explain why the expansion of a gas that consists of particles in random motion results in diffusion of the gas from regions of higher concentration to lower concentration of its particles.

Prerequisites

Students should already be familiar with

  • qualitative particle model of gases.

Exclusions

Students will not cover

  • quantitative treatment of changes in gases.

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