This unit draws on ideas about food and nutrition developed in the key stage 2 programme of study. It builds on
unit 5A 'Keeping healthy' in the key stage 2 scheme of work and on unit 7A 'Cells'.
The particle model of matter is introduced in unit 7G 'Particle model of solids, liquids and gases' and is revisited in this unit in the context of digestion.
The unit relates to other units that focus on life processes in humans: unit 8B 'Respiration' and unit 9B 'Fit and healthy', which revisits the concept of a healthy diet.
The energy transfer ideas of unit 7I 'Energy resources' are used in the context of digestion. Energy should be distinguished from 'stuff' (food as the energy resource or fuel).
This unit relates to unit 8A(i) 'Exploring materials (food)' and unit 9A(i) 'Selecting materials (food)' in the design and technology scheme of work.
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