energy Flashcards

(9 cards)

1
Q

How do power cuts happen ?

A

damage to the wires on the national grid

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2
Q

what do the cooling towers do ?

A

they cool the gas into water so no water is wasted

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3
Q

are fossil fuels made from dead animals dead plants or both ?

A

both

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4
Q

what does non renewable mean ?

A

will run out/ not able to use again

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5
Q

name 3 fossil fuels

A

coal, oil and natural gas

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6
Q

what can we do to save or fossil fuels

A

your thoughts..

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7
Q

how long did it take for fossil fuels to be made thousands of years hundreds of years or millions of years

A

millions

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8
Q

when coal is burnt what does it let out which is bad for the planet

A

cO2/ carbon diyoxyde

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9
Q

how does coal make electricity

A

Coal is burned to heat water and produce steam. This steam propels the blades of a turbine. This is attached to a generator, which produces electricity.

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