Use this Year 5 What Are Reversible and Irreversible Changes? Investigation Lesson to help children understand how materials can change and how some changes can be reversed. Its range of colourful teaching slides, pre- and post-assessment questions, as well as experiments and activities to complete in class or at home, will ensure they are engaged from beginning to end. Two accompanying worksheets are available to help them organise their work effectively. Download this resource now and watch your pupils' enthusiasm for science take off.

National Curriculum Objectives:

• Demonstrate that dissolving, mixing and changes of state are reversible changes.