Energy: 5 practice questions

Free practice on Energy for Class 3, following the Cameroon primary school curriculum (English subsystem). Every answer is explained, so a parent who is not sure of the answer can still help.

How to do this — Energy

Sources of energy

Energy comes from many sources. The sun gives us light and heat. Firewood gives us heat when it burns. Electricity powers things like a television.

Source	Gives us
The sun	Light and heat
Firewood	Heat when burned
Electricity	Power for devices

Staying safe around energy

Fire and bare electric wires can be dangerous. Always stay away from them. Never play near an open flame or touch wires that are not covered.

🔥 Fire — stay away for safety

Which of these is a source of energy?
1. A stone
2. A pencil
3. A chair
4. The sun
Show the answer

Answer: D. The sun
Firewood is burned to give us:
1. heat energy
2. cold air
3. clean water
4. fresh fruit
Show the answer

Answer: A. heat energy
Which of these uses electrical energy?
1. A wooden spoon
2. A television
3. A stone
4. A leaf
Show the answer

Answer: B. A television
We should stay away from danger around energy sources such as:
1. a glass of water
2. a soft pillow
3. fire and bare electric wires
4. a school bag
Show the answer

Answer: C. fire and bare electric wires
The sun gives the earth mainly:
1. cold air only
2. rain only
3. sound only
4. light and heat energy
Show the answer

Answer: D. light and heat energy

Answer key — Energy

D. The sun
A. heat energy
B. A television
C. fire and bare electric wires
D. light and heat energy

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