Standard Science Primary 6 Energy

Ravi tested several materials to see if they could complete a circuit. Which of the following materials will cause the bulb to light up?

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

Step 1: Only electrical conductors allow current to flow through them. Step 2: Metals are generally good conductors of electricity. Step 3: An iron nail is a metal conductor.

Correct answer: Iron nail

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