Foundation Science Primary 4 Matter

Which of the following processes involves a substance losing heat to the surroundings?

A Melting
B Boiling
C Evaporation
D Freezing
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Worked Solution

Step 1: Analyze state changes. Melting, boiling, and evaporation involve a substance gaining heat. Step [2-9]: Freezing is the change from liquid to solid, which requires the substance to lose heat. Step [2-9]: Correct answer is Freezing.

Correct answer: Freezing

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