Free practice on Energy for Class 4, 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.
Using energy appropriately means switching off lights and devices when they are not needed, instead of leaving every light on all day and night.
A solar panel changes energy from the sun into electrical energy. Generating energy in our environment can be done using sources like the sun, wind, or flowing water.
☀️ A solar panel using sunlight
Firewood, the sun and electricity are all examples of sources of:
Answer: D. energy
Using energy appropriately includes:
Answer: A. switching off lights and devices when not needed
A solar panel changes energy from the sun into:
Answer: B. electrical energy
Generating energy in our environment can be done using:
Answer: C. sources like the sun, wind or flowing water
To stay away from danger around energy sources, you should:
Answer: D. avoid touching fire and bare electrical wires
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