• 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
  • investigating Aboriginal and Torres Strait Islander Peoples’ knowledge of reversible processes, such as the application of adhesives, and of irreversible processes, such as the use of fuels for torches Aboriginal and Torres Strait Islander Histories and Cultures Cross-curriculum priority Hand icon