Renewable Energy

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12 Terms

1

solar energy

sunlight that is converted into usable renewable energy

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2

hydroelectric energy

renewable energy obtained from the movement of flowing water

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3

geothermal energy

renewable energy derived from the heat in the interior of the earth

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4

wind energy

renewable energy captured by transforming the motion of air into electrical energy using a turbine

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5

biomass energy

energy created through the burning of biological materials, such as wood

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6

tidal energy

renewable energy produced by the rise and fall of ocean levels; used to generate electricity

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7

energy conservation

the practice of finding ways to use less energy or to use energy more efficiently

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8

efficiency

the percentage of energy that is actually used to perform work

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9

insulation

building material that blocks heat transfer between air inside and the air outside

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10

renewable energy

a resource that has a theoretically unlimited supply and is not depleted when used by humans.

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11

nonrenewable energy

a source of energy that has a finite supply capable of being exhausted.

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12

fossil fuels

coal, oil, natural gas, and other fuels that are ancient remains of plants and animals.

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