20,345
edits
Changes
→Meaning
==Key Stage 3==
[[File:ParticleModelSolidLiquidGas.png|right|400px|thumb|A [[diagram]] showing the '''particle model''' for [[solid]]s, [[liquid]]s and [[gas]]es.]]
===Meaning===
The '''particle model''' is a [[Scientific Theory|scientific theory]] that [[explain]]s the [[property|properties]] of [[solid]]s, [[liquid]]s and [[gas]]es by suggesting that all [[matter]] is made of [[particle]]s, and that those [[particle]]s behave differently in [[solid]]s, [[liquid]]s and [[gas]]es.