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| Question | Answer |
| Geothermal energy | Energy that comes from the heat of rocks beneath the earth's surface . |
| Hydroelectric power | Contained in flowing water. |
| Wave power | Like the heat from the earth's surface is released and is replaced by cold air , causing wind. |
| Nuclear power stations | Uranium is used to heat water and release energy to power our homes. |
| Fossil fuels | Coal - made from dead plants millions of years ago that were squashed by the mud Natural gas and oil - made from dead sea creatures millions of years ago also squashed by mud. |
| Global warming | Caused by green house gases ( e.g. fossil fuels are burnt and release carbon dioxide) that take in the sun's heat . |
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