Standard Science Primary 5 Cycles

Which of the following processes involves water GAINING heat from the surroundings?

A Puddles drying up after a rainstorm.
B Water vapour turning into water droplets.
C Clouds forming rain.
D Dew forming on leaves in the morning.
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Worked Solution

Step 1: Heat gain causes evaporation (liquid to gas) or melting (solid to liquid). Step 2: Puddles drying up is evaporation. Step 3: Condensation (cloud/dew formation) involves heat loss.

Correct answer: Puddles drying up after a rainstorm.

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