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GCSE Science > CGP P1:175-179 > Flashcards

CGP P1:175-179 Flashcards

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1
Q

Non-renewable energy sources are… (2)

A

Fossil fuels and nuclear fuel

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2
Q

3 main fossil fuels…

A

Coal, oil and (natural) gas

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3
Q

Non-renewable means

A

. That they are limited (finite)
. They will run out one day
. We cant replace non-renewable energy sources as fast as we’re using them

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4
Q

Renewable means

A

. They are unlimited (infinite)
. They will never run out
. Renewable energy sources can be replenished (replaced) as quickly as they are being used

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5
Q

Renewable energy resources include…. (Name at least 4)

A

. The sun (solar)
. Wind
. Water waves
. Hydro-electricity
. Bio-fuels
. Tides
. Geothermal

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6
Q

What do most vehicles run on? Cars can also run on?

A

. Petrol
. Diesel

. Pure bio-fuel
. Mix of bio-fuel and petrol or diesel

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7
Q

What is petrol and diesel made from?

A

Oil (which is non-renewable)

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8
Q

Where are wind turbines usually put up?

A

In open spaces

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9
Q

How do wind turbines produce electricity? (Simple, 1 sentance)

A

When the wind turns the blades, electricity is produced

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10
Q

Do wind turbines produce pollution and are they renewable or non-renewable?

A

They don’t produce pollution once built, they are renewable

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11
Q

Do wind turbines damadge the landscape/environment

A

They do no permanent (lasting) damage to the landscape, if you remove the turbines, the area goes back to normal

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12
Q

Are wind turbines reliable?

A

Yes but not as reliable as other energy resources

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13
Q

Do wind turbines produce electricity when the wind stops?

A

No

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14
Q

What happpens to the wind turbines if the wind is too strong?

A

The turbines are stopped, this stops them from getting damaged

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15
Q

Is it possible to increase supply of electricity produced by wind turbines when there’s extra demand? (P.191) for electricity

A

No, its impossible

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16
Q

How do solar cells (solar panels) generate electricity?

A

They generate electricity directly from sunlight

17
Q

Do solar cells create pollution when built?

A

No

18
Q

Is energy used to build solar cells?

A

Quite a lot of energy is used to build them

19
Q

When does solar power generate electricity

A

Only during the day

20
Q

In what countries is solar power a very reliable source of energy?

A

In sunny countries

21
Q

Is solar power still reliable in cloudy countries like Britain?

A

Yes, it’s still fairly reliable

GCSE Science (2 decks)

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