Foundation Science Primary 6 Energy

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

A Plastic ruler
B Wooden pencil (wood part)
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 of electricity. Step 3: An iron nail is made of metal.

Correct answer: Iron nail

Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.

Start Free Trial — 7 Days Free