Standard Science Primary 6 Energy

Rey wants to connect a material across points X and Y in his circuit to make the bulb light up. Which material should he choose?

A A plastic spoon
B An iron nail
C A glass rod
D A wooden ruler
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Worked Solution

Step 1: To make the bulb light up, the material must allow electricity to flow through it. Step 2: Such materials are called electrical conductors. Step 3: Metals like iron are good electrical conductors, while wood, plastic, and glass are insulators.

Correct answer: An iron nail

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