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18 Cards in this Set
- Front
- Back
fossil fuels
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remains of ancient organisms that changed into coal, oil, or natural gas
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electric generator
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machine that converts mechanical energy, or motion into electrical energy.
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petroleum
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oil pumped from the ground
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oil reserves
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oil deposits that can be extracted profitably at current prices using current technology
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nuclear energy
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energy withing the nucleus of an atom
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nuclear fission
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collisions cause nuclei to split
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nuclear fusion
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lightweight atomic nuclei combine to form a heavier nucleus
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renewable energy
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energy from sources that are constantly being renewed
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passive solar heating
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uses the suns energy to heat something directly
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active solar heating
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energy from the sun is gathered and collected and used to heat water or to heat a building
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biomass fuel
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plant material, manure, and any other organic matter used as an energy source
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hydroelectric energy
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energy produced from moving water
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geothermal energy
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energy from the heat in the earths crust
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alternative energy
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energy sources that are still in development
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ocean thermal energy conversion
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the use of temperature differences in the ocean water to produce electricity
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fuel cell
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produces electricity chemically, by combining hydrogen fuel with oxygen from the air .
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energy efficiency
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percentage of energy put into a system that does useful work
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energy conservation
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saving energy
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