This unit introduces pupils to a topic which may be new to them, although it has links with work done in key stage 2. It builds on ideas introduced in
unit 6A 'Interdependence and adaptation' (green plants need light),
unit 6D 'Reversible and irreversible changes' (burning),
unit 6G 'Changing circuits' (electrical conduction) and
unit 4C 'Keeping warm' (temperature; thermal insulation) in the key stage 2 scheme of work.
In unit 8I 'Heating and cooling', pupils will study energy transfer and change of state, and use particle explanations. In unit 9I 'Energy and electricity', pupils will study energy transformations and energy conservation.
This unit relates to unit 7A(ii) 'Understanding materials (resistant materials)' in the design and technology scheme of work. There are opportunities for citizenship education in this unit, in dealing with energy-supply issues.
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