Foundation Science Primary 5 Systems

Jun Jie tested four materials by placing them in a gap in a circuit. Based on the table, which material is an electrical insulator?

A Material Y
B Material X
C Material Z
D Material W
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Worked Solution

Step 1: An electrical insulator does not allow electricity to pass through. Step 2: If a material is an insulator, the bulb in the test circuit will not light up. Step 3: Material Y resulted in the bulb not lighting up.

Correct answer: Material Y

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