Changes

==Key Stage 3=====Meaning===A '''physical change''' is a [[reversible]] change that doesn’t result in new [[Chemical|chemicals]] being formed. ===About Physical Changes===There are several '''physical changes''' that can happen to [[material]]s:*[[State Change]]s - Changing between [[solid]], [[liquid]] and [[gas]].*[[Dissolving]] - When a [[solid]] is broken down into small pieces to become part of a [[liquid]].*[[Crystalisation]] - When a [[substance]] forms [[crystal]]s causing it to become [[Hardness|harder]] and more [[brittle]].*[[Magnetisation]] - When a [[material]] becomes [[magnetic]] or loses its [[magnetism]].