Free practice on Electricity for Class 5, 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.
A material that allows electricity to pass through easily, like copper wire, is called a conductor. A material that does not, like rubber, is called an insulator.
Conductor — copper wire vs Insulator — rubber
Explaining safety measures for installing electrical devices includes switching off the power supply before working on wires. Avoiding playing with electrical devices helps prevent shocks and fires.
A material that allows electricity to pass through it easily, like copper wire, is called a:
Answer: C. conductor
A material that does NOT allow electricity to pass through easily, like rubber, is called a(n):
Answer: D. insulator
Explaining safety measures for installing electrical devices includes:
Answer: A. switching off the power supply before working on wires
Avoiding playing with electrical devices helps prevent:
Answer: B. electric shocks and fires
Which of these is correct about using electricity and electrical devices safely?
Answer: C. Use dry hands and check for damaged wires before use
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