Skip to Main Content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.

Change: Change

Content of this Unit

Changes to materials can be reversible or irreversible.

  • describing what happens when materials are mixed
  • investigating the solubility of common materials in water
  • investigating the change in state caused by heating and cooling of a familiar substance
  • investigating irreversible changes such as rusting, burning and cooking
  • exploring how reversible changes can be used to recycle materials
  • investigate reversible reactions such as melting, freezing and evaporating

Reversible and Irreversible Changes

An interactive from BBC Schools

Books in our Library on Change and Recycling

Videos from ABC Splash

Games from ABC Splash


For Teachers


TigTag is a collection of Science video clips and associated activities on a range of topics for the primary school.


Resources on Scootle for ACSSU095