Alternative Energy words 114 - 124
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Created by:
mrslonglwe on November 9, 2011
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Mrs. Long's Science 5th grade
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11 terms
Terms | Definitions |
|---|---|
 Alternative energy | Energy sources that do not come from fossil fuels. A renewable or inexhaustible resource. |
| Hydroelectric energy | The capture of energy from moving water for a useful purpose; an alternative energy source. |
| geothermal energy | Heat from the center of the earth that is used as an energy source, come to the surface in the form of volcanoes, fumaroles, hot springs and geysers. |
| biofuels | are often made from crops that can be replanted or organic waste matter, that is constantly replenishing itself. The most popular type is ethanol. |
| wind energy | a form of solar energy, due to uneven heating of the atmosphere by the sun, that converts the kinetic energy of wind into mechanical power. |
| solar energy | The process of obtaining useful energy from the Sun via solar panels. An inexhaustible resource. |
| Nuclear power | the use of controlled nuclear reactions to produce steam, which in turn drives turbines to produce electricity |
| Nonrenewable | Resources that takes longer than a person's life time in order to make. Nature cannot replace quick enough to meet people's needs. |
| Renewable | Resources that nature can provide again and again in a relatively short period of time. |
| Inexhaustiable | Resources that are never used up as they are being used. |
| Windmill | An engine powered by the wind designed to produce energy from an inexhaustible source. |
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