Standard Science Primary 4 Energy

Michael wants to keep his hot soup warm for as long as possible. Which material should the container be made of?

A Iron
B Copper
C Plastic
D Aluminium
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Worked Solution

Step 1: To keep soup warm, heat loss must be minimized. Step [2-9]: Poor conductors (insulators) slow down the transfer of heat. Step [2-9]: Plastic is a poor conductor compared to the metals listed.

Correct answer: Plastic

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