Standard Science Primary 4 Energy

Which of the following materials is a POOR conductor of heat and would be best for making a winter jacket?

A Iron
B Aluminum
C Wool
D Copper
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Worked Solution

Step 1: A winter jacket needs to trap body heat. Step 2: Poor conductors (insulators) slow down the transfer of heat away from the body. Step 3: Wool traps air and is a poor conductor of heat.

Correct answer: Wool

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