This unit builds on unit 7E 'Acids and alkalis', unit 7F 'Simple chemical reactions', unit 8G 'Rocks and weathering' and unit 8H 'The rock cycle', and on work on the reactions of acids in unit 9E 'Reactions of metals and metal compounds'. It relates to work on growing plants in unit 9D 'Plants for food' and work on using energy resources in unit 9I 'Energy and electricity'.
The unit builds on the use of sensors in unit 7 'Measuring physical data' in the ICT scheme of work. There are opportunities for citizenship education in this unit in the activities concerning the environment and sustainable development. It also relates to unit 14 'Can the earth cope? Ecosystems, population and resources' and unit 23 'Local action, global effects' in the geography scheme of work.
This unit provides opportunities to revisit and revise topics met in other units in years 7 and 8. 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.
The unit provides the foundation for work in key stage 4 on changes to the atmosphere and Earth.
|
