Standard Science Primary 4 Energy

Siti placed a metal spoon and a plastic spoon into a bowl of hot water at 90°C. After 5 minutes, she touched the handles. Why did the metal spoon feel hotter than the plastic spoon?

A Plastic loses heat to the hot water faster.
B Metal gains heat from Siti's hand faster.
C Plastic is a better conductor of heat than metal.
D Metal is a better conductor of heat than plastic.
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Worked Solution

Step 1: Identify the heat source (hot water). Step 2: Metal is a good conductor; plastic is a poor conductor (insulator). Step 3: Heat travels faster through the metal spoon to the handle.

Correct answer: Metal is a better conductor of heat than plastic.

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