Chap. 18 - Renewable Energy
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17 terms
Terms | Definitions |
|---|---|
 Renewable Energy | energy from sources that are constantly being formed |
| Solar Energy | energy that comes from the sun |
| Passive Solar Energy | when the sun's energy directly heats something |
| Active Solar Heating | the gathering of solar energy by collectors to heat up water or a buliding |
| Photovoltaic Cell | a semiconductor device that converts the energy of sunlight into electric energy. |
| Wind Farm | area where many windmills use wind to generate electricity |
| Wind Power | power derived from the wind (as by windmills) |
| Biomass Fuel | Fuel that derives from plant material and animal waste |
| Methane | a gas pollutant that is created in landfills from the waste |
| Ethanol | a fuel made from corn and wheat that is used like gasoline but is a renewable resource |
| Hydroelectric Energy | electricity produced by falling water |
| Geothermal Energy | energy derived from the heat in the interior of the earth |
| Alternative Energy | energy that does not come from fossil fuels and that is still in development |
| Hydrogen Fuel | Gaseous hydrogen used as a fuel in internal combustion engines. |
| Fuel Cell | a device that converts chemical energy to electrical energy. |
| Energy Conservation | The practice of reducing energy use. |
| Energy Efficiency | the amount of useful energy that can come from a system |
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