Standard Science Primary 5 Systems

Jun Jie tested four objects to see if they were electrical conductors. Which object will cause the bulb to light up?

A Plastic ruler
B Steel paper clip
C Rubber eraser
D Glass marble
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Worked Solution

Step 1: A conductor allows electricity to pass through. Step 2: Metals are generally good conductors of electricity. Step 3: Steel is a metal, so the paper clip is a conductor.

Correct answer: Steel paper clip

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