This is the 3rd lesson in the Year 4 science states of matter topic. It assumes prior learning of the properties of solids and liquids. In this lesson, pupils will explore melting and freezing points using a variety of everyday objects (ice, chocolate, wax). They will consider how ‘heat energy’ is either added or removed to cause the change of state and be able to draw simple diagrams to show the changes are physical (reversible). Pupils will also begin to appreciate the fact that different materials have different melting points.
The worksheet consists of 4 tasks, labelled ‘think, try, do, extend’, which pupils should be able to work through independently following the main input using the PowerPoint. There is also a cutting/sticking/matching task for pupils to complete to demonstrate their understanding of melting/solidifying.
Tags - KS2 Year 5 Year 4 Year 3 Year 6 Science states of matter melting solidifying freezing physical reversible
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