What are some disadvantages to alternative energy resources?
Expensive to build or set up (ex: solar panels, building dams and windmills); Difficult to store the energy; Dams and windmills affect animals and ecosystems.
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15
Why can water in a river be used to produce electricity?
The water is moving.
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15
Tell whether this energy source is renewable or nonrenewable: natural gas
nonrenewable
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15
A resource that is obtained from the Earth in the environment
natural resource
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Water pumped down into the Earth, heats up, and comes back as steam
Geothermal energy
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15
Tell whether this energy source is renewable or nonrenewable: coal
nonrenewable
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Tell whether this energy source is renewable or nonrenewable: water
renewable
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thief
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magnet
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fairy
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25
baam
Lose 20 points!
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15
Tell whether this energy source is renewable or nonrenewable: the sun
renewable
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25
What can individuals and communities do to help protect Earthâs resources and the environment ?
Examples: Recycle. Use less electricity/ turn off lights you are not using. Do not waste water. Use hybrid cars. Put solar panels on houses. Build windmills.
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15
Tell whether this energy source is renewable or nonrenewable: oil
nonrenewable
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The electrical power produced by falling water that turns a turbine generator
hydroelectric power
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The remains of organisms that lived a very long time ago - coal, oil, natural gas
Fossil fuels
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Tell whether this energy source is renewable or nonrenewable: wind
