Foundation Science Primary 5 Systems

Which of the following materials can be used to complete a circuit and light up a bulb?

A Plastic ruler
B Glass rod
C Iron nail
D Rubber band
Show Worked Solution

Worked Solution

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

Correct answer: Iron nail

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