Standard Science Primary 5 Cycles

Clouds are formed when warm water vapour __________ and __________.

A sinks; melts
B rises; condenses
C sinks; freezes
D rises; evaporates
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Worked Solution

Step 1: Water vapour is warm and less dense, so it rises. Step 2: As it rises, it reaches cooler layers of the atmosphere. Step 3: It loses heat and turns back into tiny water droplets (condensation).

Correct answer: rises; condenses

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