Foundation Science Primary 5 Systems

Ravi wants to complete a circuit to light a bulb. Which material should he use as a connector?

A Rubber band
B Glass rod
C Plastic ruler
D Iron nail
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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: An iron nail is made of metal.

Correct answer: Iron nail

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