2024 · M/J · 0625/31 | Q4

0/29parts marked · 0 of 46 marks

Question (4 of 11)8 marks · Practise this topic →

Options

Available practice: 46 of 80 marks. Parts 1(a)(iii), 2(a), 3(b), 5(b)(i), 5(b)(ii), 6(b)(i), 7(c)(ii), 8(a)(ii), 8(c), 9(b)(i), 9(b)(ii), 10(a)(i), 10(c) await marking support. Scores cover available parts only.

The government of a country decides to reduce the amount of fossil fuel burned for generating electrical power.

(a)State two reasons, apart from cost, for reducing the amount of fossil fuel burned.

Answer guidance

State A short answer. No explanation is needed, and adding one cannot earn extra marks.

[2 marks]

(b)(i)Describe how a hydroelectric power station generates electrical power.

Answer guidance

Describe Say what happens, in order. Reasons are not required unless the question also asks why.

[3 marks]

Hydroelectric power stations are expensive to build.

(b)(ii)State two other disadvantages of using a hydroelectric power station to generate electrical power.

Answer guidance

State A short answer. No explanation is needed, and adding one cannot earn extra marks.

[2 marks]

The government plans to build some wind turbines. The government plans to store some of the electrical energy generated by the wind turbines.

(c)Suggest one method of storing the electrical energy generated by a wind turbine.

Answer guidance

Suggest More than one answer may be acceptable, so long as it is consistent with the physics.

[1 mark]

0625/31/M/J/24Cambridge IGCSE Physics 0625 · May/June 2024 · Paper 3 variant 1 · Question 4