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Teaching PowerPoint


Teaching PowerPoint

 


Unit 7
Click here if you need the 2018 old version.

7.1 Air

7.2 Photosynthesis

7.3 Respiration

7.4 Gas exchange in plants and animals

7.5 Balance of carbon dioxide and oxygen in Nature

7.6 Air quality

Unit end
Unit 8
Click here if you need the 2018 old version.

8.1 Introducing electricity and simple circuits

8.2 Circuit diagrams

8.3 Electric current

8.4 Voltage

8.5 Resistance

8.6 Series circuits and parallel circuits

8.7 Our household electricity

8.8 Electrical safety with household electricity

8.9 Power, energy and the cost of electricity

Unit end