Standard Science Primary 4 Energy

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

A Plastic expands more than metal when heated.
B Metal is a poor conductor of heat to keep food cool.
C Metal is a good conductor of heat to cook food quickly.
D Wood is a good conductor to help the cook stay warm.
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Worked Solution

Step 1: Identify the purpose of the base (to transfer heat to food). Metal is a good conductor. Step 2: Identify the purpose of the handle (to prevent heat transfer to the hand). Wood/plastic are poor conductors.

Correct answer: Metal is a good conductor of heat to cook food quickly.

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