Primary 5 Science — Cycles Practice | Standard

Standard Science Primary 5 Cycles

Why can we NOT see water vapour in the air?

A It only exists in clouds.

B It is too cold to be seen.

C It is a colourless gas.

D It is a liquid.

Show Worked Solution

Step 1: Water vapour is gas. Step 2: Like air, water vapour is invisible and colourless.

Correct answer: It is a colourless gas.

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