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Enviro Ch 11
| Question | Answer |
|---|---|
| electric generator | device that converts mechanical energy into electric energy |
| fossil fuels | organic substance such as coal, oil, and natural gas that is used as an energy source and is formed from the remains of organisms that lived millians of years ago |
| geothermal energy | energy that is drawn from heat in the Earth and used to drive electric generators |
| nuclear energy | energy that exists within the nucleus of an atom |
| nuclear fission | process in which subatomic bonds that bind the components of the atomic nucleus are broken apart, releasing huge amounts of energy |
| nuclear fusion | the process in which lightweight atomic nuclei combine to form a heavier nucleus, releasing huge amounts of energy; basically the opposite of nuclear fission |
| passive solar heating | system in which sunlight is used to heat buildings directly without pumps or fans |
| solar cells | devices that convert the sun's energy directly into electricity |
| solar energy | energy from the sun |
| solar water heating | system that uses solar energy to heat water for household use |
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