This unit builds on unit 7K 'Forces and their effects' and links to unit 9K 'Speeding up'. Work on muscles as levers relates to unit 9B 'Fit and healthy'. This unit lays the foundation for further quantitative work on forces in key stage 4.
This unit provides opportunities to revisit and revise topics met in other units, eg forces, particle theory. With some pupils, teachers may wish to concentrate on some of the new topics, extending activities, and with others to spend more time on revision of previous work.
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