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13 Cards in this Set
- Front
- Back
the ability to make things happen
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energy
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a form of energy that can be converted to other forms of energy, such as heat, light and sound
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electricity
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an object that is changing position
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moving object
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a place where energy comes from, such as batteries, food, fuels, and the sun
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energy source
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the star around which earth orbits; the main source of earth's energy
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sun
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to change
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convert
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energy stored in a substance
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chemical energy
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the energy source that keeps things alive
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food
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energy available to use
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stored energy
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the preserved remains of plants that lived long ago and changed into oil, coal and natural gas
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fossil fuel
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a material that contains energy
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fuel
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a source of stored chemical energy
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battery
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a flow of electricity through a wire
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electric current
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