Cambridge IGCSE · Environmental Management (0680)

Energy resources and the generation of electricity: Practice Questions

5 multiple-choice questions marked as you go, and 5 written questions with worked solutions. All on Energy resources and the generation of electricity.

10 questions27 marksFree, no account

Question 1

1 mark

Which of the following is classified as a non-renewable energy resource because it uses a finite mineral source?

Question 2

1 mark

Which of the following is an economic disadvantage specifically associated with intermittent energy resources like wind and solar power?

Question 3

1 mark

Which of the following is a renewable energy resource that generates electricity by utilizing the gravitational pull of the Moon and the Sun on the Earth's oceans?

Question 4

1 mark

How is electricity generated using photovoltaic (PV) cells?

Question 5

1 mark

Which of the following is an environmental disadvantage specifically associated with the generation of electricity from hydro-electric power?

Question 6

4 marks

In the context of hydro-electric power, explain the relationship between gravitational potential energy and the volume of water stored behind a dam during electricity generation.

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Question 7

5 marks

Explain the technological process by which geothermal energy is harvested from tectonically active regions to drive turbines for electricity generation.

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Question 8

3 marks

Explain why tidal power installations are often criticized for their environmental impact on local marine biodiversity, despite being a carbon-free energy source.

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Question 9

5 marks

The data table provided shows the average power output (in kW) of two different renewable energy installations over a 24-hour period.
(a) Compare the reliability and consistency of tidal power versus wave power based on the pattern of energy generation shown in the data.
(b) Describe one economic disadvantage of offshore wind energy generation compared to traditional onshore fossil fuel power plants.

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Question 10

5 marks

A coastal nation is considering transitioning its electricity grid from fossil fuels to a mix of renewable sources.
(a) Compare the economic advantages and disadvantages of using hydro-electric power versus solar power for large-scale electricity generation.
(b) Describe how geothermal energy is used to rotate a turbine and generate electricity in volcanic regions.

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