Standard Science Primary 5 Cycles

Mist is formed on the outside of a cold glass of water because __________.

A water leaked through the glass
B water vapour in the air lost heat to the cold glass
C the glass produced water droplets
D the cold water turned into air
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Worked Solution

Step 1: Identify the source of water (water vapour in the surrounding air). Step 2: Identify the process (condensation). Step 3: Vapour loses heat when it touches the cooler surface of the glass, turning into liquid droplets.

Correct answer: water vapour in the air lost heat to the cold glass

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