Standard Science Primary 5 Systems

Jun Jie tested different materials to see if they conduct electricity. Which material will allow the bulb in a circuit to light up?

A Steel paper clip
B Glass rod
C Plastic ruler
D Wooden ice cream stick
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Worked Solution

Step 1: For the bulb to light up, the material must be an electrical conductor. Step 2: Metals are good conductors of electricity. Step 3: A steel paper clip is made of metal, while glass, plastic, and wood are insulators.

Correct answer: Steel paper clip

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