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16 Cards in this Set
- Front
- Back
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Energy
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the quality that describes the capacity to do work
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Electricity
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flow of electrons, the tiny particles that whirl around the nucleus of an atom
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Electric generator
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device that converts mechanical energy into electric energy
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Fossil fuels
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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 millions of years ago
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Nuclear energy
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energy that exists within the nucleus of an atom
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Nuclear fusion
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the process in which lightweight atomic nuclei combine to form a heavier nucleus, releasing huge amounts of energy; basically the opposite of nuclear fission
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Nuclear fission
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process in which subatomic bonds that bind the components of the atomic nucleus are broken apart, releasing huge amounts of energy
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Solar Energy
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energy from the sun
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Wind energy
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energy captured as wind turns a turbine and generates electricity; an indirect form of solar energy
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Hydroelectricity
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electricity produced by converting the energy of moving water
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Geothermal energy
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energy that is drawn from heat within the Earth and used to drive electric generators
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Biomass
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organic matter in plants or plant products
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Biomass
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organic matter in plants or plant products
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Gasohol
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blend of gasoline and alcohol for motor fuel
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Solar cells
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devices that convert the sun's energy directly into electricity
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Sustainable energy future
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we must develop new energy sources, make the most of the ones we already have, and use every form of energy as efficiently as possible
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