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7 Cards in this Set
- Front
- Back
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Renewable Energy Resources
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- Can be replace; we will not run out of them
- Sun, Wind, Moving Water -Little pollution, cannot be used up. |
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Solar Energy
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- Sun is the major source of most earth energy.
- Source of light and heat energy - Solar panels collect sunlight and turn the light energy into electricity. |
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Water Energy
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- Electricity can be created by force of flowing water.
- When gates of a dam are opened, the force of the moving water turns water wheels and electricity is made. |
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Wind Energy
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- Wind can be used to create electricity by powering windmills.
- Generator is turned when the blades of a windmill move and electricity is made. |
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Nonrenewable Energy Resources
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- Energy that cannot be replaced.
- Most common: fossil fuel - Fossil fuel formed from decayed plants and animals that have been buried a long time. - Takes millions of years for fossil fuels to form. - Coal, oil and natural gas are fossil fuels. |
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Coal, Oil, and Natural Gas
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- Drill for oil and natural gas
- Dig for coal - Burned to heat our homes and make electricity. - When burned, creates pollution. - Mining and transporting fossil fuels also cause pollution. |
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Wood
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- Wood can be burned as fuel to make heat and light.
- Renewable when a tree cut down for fuel is replaced by more planted trees. |
