Advanced Science Primary 4 Energy

Study the experiment below. In which setup will the water cool down faster, and why?

A Setup B, because plastic is a poor conductor of heat.
B Setup A, because metal is a poor conductor of heat.
C Setup A, because metal is a good conductor of heat.
D Setup B, because plastic is a good conductor of heat.
Show Worked Solution

Worked Solution

Step 1: Metal (Setup A) is a good conductor of heat. Step 2: It allows heat from the hot water to travel through it and escape into the surroundings quickly. Step 3: Plastic (Setup B) is a poor conductor and insulates the heat.

Correct answer: Setup A, because metal is a good conductor of heat.

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