Primary School · Science

Sources and Uses of Energy: Practice Questions

5 multiple-choice questions marked as you go, and 5 written questions with worked solutions. All on Sources and Uses of Energy.

10 questions21 marksFree, no account

Question 1

1 mark

According to the Primary Science curriculum guide, which of the following is a renewable source of energy that can be used to generate electricity?

Question 2

1 mark

A student uses a hand-cranked flashlight. As the student turns the handle, the flashlight lights up. Which of the following best describes the primary sequence of energy conversion taking place?

Question 3

1 mark

A scientist classifies energy sources into two groups: those that are renewable and those that ultimately derive their energy from the Sun. Which of the following groups contains sources that ALL fit into both categories?

Question 4

1 mark

A ceiling fan is switched on and starts rotating. Which primary energy conversion takes place in the fan?

Question 5

1 mark

Which of the following actions is the most effective way to help save energy at home?

Question 6

2 marks

A student uses a solar panel to power a small electric fan. What is the main energy conversion that takes place in this setup to make the fan blades rotate?

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Question 7

3 marks

Name two common non-renewable energy sources. Explain one significant reason why it is important to conserve these types of energy.

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Question 8

4 marks

Describe the main energy transformations that occur when you pull back a toy car with a spring and then release it, causing it to move forward.

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Question 9

3 marks

Energy can be obtained from various sources in nature.

(a) Identify whether the following are renewable or non-renewable energy sources: (i) Solar energy, (ii) Coal, (iii) Wind. (2 points)

(b) Briefly explain why it is important to conserve non-renewable energy sources like fossil fuels. (1 point)

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Question 10

4 marks

Energy sources are categorized into renewable and non-renewable resources.

(a) Classify the following four energy sources into Renewable or Non-renewable:

(i) Natural gas
(ii) Wind
(iii) Crude oil (Petroleum)
(iv) Flowing water (Hydro)

(b) Explain the primary difference between renewable and non-renewable energy sources in terms of their availability and replenishment.

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