Standard Science Primary 4 Matter

Which of the following processes involves a gain of heat?

A Freezing
B Condensation
C Evaporation
D A liquid turning into a solid
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Worked Solution

Step 1: Evaporation is the change from liquid to gas. Step [2-9]: This process requires the liquid to gain heat from the surroundings. Step [2-9]: Freezing and condensation involve heat loss.

Correct answer: Evaporation

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