renewable source of energy.

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as the tide comes in it fills an estuary to a height of several metres.
tidal barriage.
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as the waves come to the shore they provide an up and down motion which can be used to drive the generator.
wave power.
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electricity is generated directly form the wind turning the blades which turns the generator,
wind power.
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generate electric currents directly from the sunlight. The best source of energy for watches and caluclators.
solar cells.
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only possible in volcanic areas where hot rocks lie quite near the surface.
geothermal energy.
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requires the flodding of a valley by building a huge dam.
hydroelectric power.
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spare nightime electricity used to pump water up to a high reservoir.
pumped storage.
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takes electricity form power stations to where it is needed in homes and industries.
national grid.
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power stations, transformers, consumers.
parts of the national grid.
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have to step up a voltage at one end for efficient transmission then bring it back to safe useable levels at the other end.
transformers
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Other cards in this set

Card 2

Front

as the waves come to the shore they provide an up and down motion which can be used to drive the generator.

Back

wave power.

Card 3

Front

electricity is generated directly form the wind turning the blades which turns the generator,

Back

Preview of the front of card 3

Card 4

Front

generate electric currents directly from the sunlight. The best source of energy for watches and caluclators.

Back

Preview of the front of card 4

Card 5

Front

only possible in volcanic areas where hot rocks lie quite near the surface.

Back

Preview of the front of card 5
View more cards

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