Standard Science Primary 4 Energy

Ravi wants to keep his ice cream from melting. Which material should he wrap the container with?

A Copper sheet
B Damp newspaper
C Aluminium foil
D Woolen cloth
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Worked Solution

Step 1: To prevent melting, we must slow down heat gain from the surroundings. Step 2: Use a poor conductor of heat (insulator). Step 3: Woolen cloth traps air, which is a very poor conductor.

Correct answer: Woolen cloth

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