Standard Science Primary 5 Cycles

Tiny water droplets formed on the outer surface of a cold canned drink. Where did the water droplets come from?

A Water vapour from the air condensed on the cold surface.
B The liquid inside the can evaporated through the metal.
C Water leaked from the can.
D The can produced water when it got cold.
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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: The vapour changes state from gas to liquid (condensation).

Correct answer: Water vapour from the air condensed on the cold surface.

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