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7 Cards in this Set
- Front
- Back
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fossil fuels |
Energy resources formed from the remains of plants and animals that lived more than 100 million years ago |
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nonrenewable resources |
A resource that cannot be replaced easily or quickly |
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biomass |
Once-living matter that can be used as an energy source |
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hydroelectric energy |
Electric energy generated from moving water |
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geothermal energy |
Energy harnessed from Earth’s hot interior |
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renewable resources |
A resource that can be used without running out |
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solar energy |
Energy harnessed directly from the Sun |
