Let's teach! Primary

Year 5 Science

Unit 2 - All about heat

Chemical sciences

Unit Overview

Key Inquiry Question

How can matter change?

ENGLAND – Year 5 Science

Properties of everyday materials and reversible change

  • demonstrate that dissolving, mixing and change of state are reversible changes

REPUBLIC OF IRELAND – 5th/6th Class ~ Science


  • recognise that materials can be solid, liquid or gaseous
  • explore the effects of heating and cooling on a range of liquids, solids and gases


starting state, changed state, process, solid, liquid, gas, melting, freezing, condensation, evaporation


Lesson 1

What is the difference between a solid, a liquid and a gas?

Lesson 3

Can we mix different states of matter?