Energy Resources Practice Questions Flashcards

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1
Q

The UK is starting to us wind turbines to generate more electrical energy.
Some people think that this is a good idea, others do not.
Suggest why people think that building more wind turbines is a good idea. (3 marks)

A

1 mark: ‘fuel’ is free / energy source is free
1 mark: wind power releases no pollutant gases
1 mark: wind is a renewable energy source

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2
Q

Suggest reasons why people think that building more wind turbines is a bad idea. (3 marks)

A

1 mark: wind power is unreliable
1 mark: wind farms are a type of visual pollution
1 mark: people complain about the noise wind turbines cause

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3
Q
A

The power station can be used to meet surges in demand as it can start generating electricity quickly

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4
Q

Other than a short start up time, give TWO other advantages of a pumped power station (2 marks)

A

1 mark: stores energy use for later
1 mark: doesn’t produce pollutant gases

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5
Q

Describe the energy transfers that takes place when electricity is generated at a pumped storage power station. (3 marks)

A

Any 3 of the following
1 mark: The water in the top of the reservoir is gravitational potential energy
1 mark: Then it is converted to kinetic energy when flowing down to the lower reservoir
1 mark: The kinetic energy allowing the turbine to turn
1 mark: Which turns on a generator, converting the energy to electrical energy

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6
Q
A
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7
Q

In the UK, most electricity is generated in power stations that burn fossil fuels.
Which type of fossil fuel power station as the shortest start up time? (1 mark)

A

gas

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8
Q
A

(Transmission) cables and (step-up and step-down) transformers

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9
Q
A

1 mark: voltage
1 mark: more efficient

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10
Q
A

1 mark: it will INCREASE

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11
Q

Name one other renewable energy source used to generate electricity that it not wind. (1 mark)

A

tidal
waves
solar

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12
Q
A

3000 kilowatts

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13
Q
A

1 mark: wind speed was not strong
1 mark

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