Foundation Science Primary 5 Systems

Which of the following materials can be used to complete a circuit and light up a bulb?

A A wooden chopstick
B A plastic ruler
C A steel paperclip
D A rubber band
Show Worked Solution

Worked Solution

Step 1: To light a bulb, the material must be an electrical conductor. Step 2: Metals are good conductors of electricity. Step 3: Steel is a metal, so the paperclip will work.

Correct answer: A steel paperclip

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