Standard Science Primary 5 Cycles

Mist is often seen on the outside of a cold glass of water. Which statement explains this?

A The glass turned into water vapour.
B Water vapour in the air lost heat and condensed.
C Water leaked through the glass.
D The cold water evaporated through the glass.
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Worked Solution

Step 1: Air contains invisible water vapour. Step 2: The cold glass surface is a cooler environment. Step 3: Water vapour touches the glass, loses heat, and changes from gas to liquid (condensation).

Correct answer: Water vapour in the air lost heat and condensed.

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