Standard Science Primary 4 Energy

Why is the base of a frying pan usually made of metal while the handle is made of plastic?

A Metal is a poor conductor of heat; plastic is a good conductor.
B Metal is a good conductor of heat; plastic is a poor conductor.
C Metal is harder than plastic.
D Plastic is more flexible than metal.
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Worked Solution

Step 1: The base needs to transfer heat to the food (good conductor). Step 2: The handle needs to stay cool for the user to hold (poor conductor). Step 3: Metal conducts heat well, while plastic does not.

Correct answer: Metal is a good conductor of heat; plastic is a poor conductor.

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