Standard Science Primary 5 Cycles

Why do water droplets form on the outer surface of a cold canned drink left on a table?

A Water vapour in the air lost heat to the cold surface.
B The cold can produced water through its pores.
C The air around the can turned into water.
D Water from inside the can leaked out.
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Worked Solution

Step 1: The air contains invisible water vapour. Step 2: When water vapour touches a cold surface, it loses heat. Step 3: This process is called condensation, changing gas to liquid droplets.

Correct answer: Water vapour in the air lost heat to the cold surface.

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