Wikijunior:Particles

Welcome to

Table of contents

 * /Introduction/
 * /Matter/
 * /Particle theory/
 * /Diffusion/
 * /Brownian motion/
 * /Particle model/
 * /Three states of matter/
 * /Gas pressure/
 * /Float or sink?/
 * /Expand or contract?/
 * /Final quiz/
 * /Summary/
 * /Authors/

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