Standard Science Primary 4 Energy

Jun Jie placed a metal spoon and a plastic spoon into a bowl of hot soup. After 5 minutes, the metal spoon felt much hotter than the plastic spoon. Why?

A Plastic is a better conductor of heat than metal.
B Metal is a better conductor of heat than plastic.
C The metal spoon gained more heat than the plastic spoon.
D Hot soup only gives heat to metal.
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Worked Solution

Step 1: Identify that the soup is the heat source. Step 2: Heat flows from a hotter place to a colder place. Step 3: Metal allows heat to flow through it quickly because it is a good conductor of heat.

Correct answer: Metal is a better conductor of heat than plastic.

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