Hydro-electric power

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Physics

GCSE Physics

AQA

Energy

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7 Terms

1
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What does hydro-electric power require?

flooding of a valley by building a big dam

2
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What kind of pollution is caused by hydro-electric power?

No pollution

3
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What impact does hydro-electric power have on the environment?

Big impact due to the flooding of the valley

4
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How does flooding of the valley impact the environment?

Rotting vegetation releases methane and CO2 and possible loss of habitat for some species

5
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What is an advantage of hydro-electric power?

Provides immediate response to an increased demand for electricity

6
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How reliable is hydro-electric power?

Reliable except in times of drought

7
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How expensive is hydro-electric power?

Initial costs are high