Standard Science Primary 4 Energy

Jun Jie wants to keep his soup hot for a longer time. Which material should his container be made of?

A Glass
B Ceramic
C Metal
D Plastic
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Worked Solution

Step 1: To keep things hot, we need a material that slows down heat loss. Step 2: Poor conductors of heat (insulators) like plastic or wood slow down heat transfer. Step 3: Therefore, a plastic container is more suitable than a metal one.

Correct answer: Plastic

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