
| 3a i Solar power Explains that besides being the primary source of all energy, technology can harness and convert sunlight into energy. Includes photographs |
Interactive sheet - 67Kb
| PDF - 486Kb |
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| 3a ii Solar power for electricity Details how the sun can be used to generate electricity. Includes photograph and the diagram 'Solar tower power plant' |
Interactive sheet - 68Kb
| PDF - 769Kb |
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| 3b Wind power Introduces the use of wind as a power source. Includes photograph and top 10 wind power markets chart |
Interactive sheet - 67Kb
| PDF - 352Kb |
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| 3c Water power Details past and present use of water as an energy resource and how water power can be used to generate electricity. Includes photographs |
Interactive sheet - 102Kb
| PDF - 834Kb |
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| 3d Hydrogen power An introduction to hydrogen and its use as a 'clean energy' source. Includes photograph and diagram of electrolysis |
Interactive sheet - 70Kb
| PDF - 440Kb |
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| 3e Hydrogen combustion engines and fuel cells Looks at ways hydrogen can be used as an energy source. Includes photographs |
Interactive sheet - 85Kb
| PDF - 710Kb |
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| 3f Geothermal energy Information on how energy can be extracted from steam coming from hot springs. Includes photographs and diagram of the Earth's layers |
Interactive sheet - 57Kb
| PDF - 406Kb |
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| 3g Biofuel An introduction to biofuel showing how organic matter can be used as a source of energy. Includes photographs |
Interactive sheet - 136Kb
| PDF - 850Kb |