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10 Cards in this Set
- Front
- Back
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energy
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the ability to do work
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potential
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stored energy.
depends on height and position |
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kinetic
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energy of movement.
depends on speed and mass |
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renewable
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a resource that can be easily replaced
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nonrenewable
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a resource that can't be replaced easily or quickly
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fossil fuels
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coal, oil, natural gas.
they formed from living things that died millions of years ago |
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geothermal
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energy source that uses heat from inside the earth
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hydrogen
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alternative energy source that burns cleanly and forms water as a by-product
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biomass
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energy source that burns things that were once alive, like wood
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solar
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energy from the sun
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