Standard Science Primary 5 Cycles

Which of the following changes will increase the rate of evaporation of water from a pond?

A An increase in the humidity of the air
B An increase in the temperature of the surroundings
C A decrease in wind speed
D A decrease in the exposed surface area
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Worked Solution

Step 1: Evaporation is the process of water turning into steam/vapor. Step 2: Higher temperatures provide more heat energy for water molecules to escape. Step 3: Therefore, increasing temperature increases the rate of evaporation.

Correct answer: An increase in the temperature of the surroundings

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