Pearson Edexcel International GCSE (9–1) · PHYSICS · Chapter
Energy Resources and Electricity Generation
71 practice questions
Topics covered
Practice questions
11–20 of 34 · Easy
Question 11
2 marks · Easy
Answer and see the solution →Explain why solar energy is classed as a renewable energy resource.
Question 12
3 marks · Easy
Answer and see the solution →Hydroelectric power stations use falling water to generate electricity.
(a)[1 mark]State the energy store for the water at the top of the reservoir.
(b)[1 mark]Name the energy transfer that occurs as the water falls.
(c)[1 mark]Explain why hydroelectric power is classed as renewable.
Question 13
1 mark · Easy
Answer and see the solution →Name one renewable energy resource that relies on the wind.
Question 14
2 marks · Easy
Answer and see the solution →Wood is a renewable energy resource.
(a)[1 mark]State what must be done to ensure wood remains renewable.
(b)[1 mark]Give one use for wood other than as a fuel.
Question 15
1 mark · Easy
Answer and see the solution →State one disadvantage of burning wood as a fuel.
Question 16
2 marks · Easy
Answer and see the solution →Different renewable energy resources Resource Main energy source Hydroelectric Water in reservoirs Wind Moving air Solar Wood Chemical store in wood (a)[1 mark]Complete the table by writing the main energy source for Solar.
(b)[1 mark]Which two resources from the table get their energy from the Sun? State both.
Question 17
1 mark · Easy
Answer and see the solution →State the form of energy that solar heating panels absorb from the Sun to heat water.
(a)[1 mark]State the form of energy that solar heating panels absorb from the Sun to heat water.
(b)[0 marks]Question 18
1 mark · Easy
Answer and check →Which of the following is an important design feature to increase the efficiency of a solar heating panel?
- A.The panel faces towards the Sun
- B.The panel is placed in a shaded area
- C.The pipes are painted white inside
- D.The panel is covered with thick metal plates
Question 19
2 marks · Easy
Answer and see the solution →Explain why the pipes inside a solar heating panel are usually painted black.
Question 20
3 marks · Easy
Answer and see the solution →A solar heating panel is used to heat water in a tank.
(a)[1 mark]State one way you could maximise how much sunlight falls on the panel in a day.
(b)[1 mark]State how the water is heated as it flows through the panel.
(c)[1 mark]Give one reason why the panel is insulated at the back.