Advanced Science Primary 4 Energy

Based on the table below, which material would be best for making a container to keep ice cubes from melting quickly?

A Material X
B Material Y
C Material W
D Material Z
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Worked Solution

Step 1: To stop ice from melting, you need a material that slows down heat gain. Step 2: This requires a poor conductor (insulator) of heat. Step 3: Material Z has the lowest temperature increase, meaning it is the poorest conductor.

Correct answer: Material Z

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