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11 Cards in this Set
- Front
- Back
energy
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the ability to work
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kinetic energy
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the energy of motion
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potential energy
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the energy of position or shape
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mechanical energy
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the total energy of motion and position of an object
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energy converse
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a change from one form to another
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friction
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a force that opposes motion between two sufaces that are touching
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law of conservation of energy
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the law that states that energy is neither created nor destroyed
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energy resource
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a natural resource that can be converted by humans into other forms of energy in order to do useful work
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nonrenewable resources
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a natural resource that can not be replaced or that can be replaced only over thousands or millions of years
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fossil fuels
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nonrenewable resources that form in the earths crust over millions of years from the buried remains of once living organisms
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renewable resources
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a natural that can be used and replaced over a relatively short time period.
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