Standard Science Primary 6 Energy

Rey tested four materials by placing them at position X in a circuit. Which material will cause the bulb to light up?

A Wooden ruler
B Plastic spoon
C Iron nail
D Glass rod
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Worked Solution

Step 1: To light the bulb, the material must be an electrical conductor. Step 2: Metals are generally good conductors of electricity. Step 3: An iron nail is made of metal.

Correct answer: Iron nail

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