Unit 1: Density and kinetic theory
Density - CCEA
What is density and how is it used to make a fair comparison between materials?

Kinetic theory - CCEA
How does the kinetic particle theory explain the properties of solids, liquids and gases?

Interactive activity: States of matter - CCEA
Find out what happens when states of matter change with this interactive diagram designed to aid your understanding of the GCSE CCEA physics specification.

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