Standard Science Primary 5 Cycles

Sara poured an equal amount of water into two different containers, P and Q. Container P has a wider opening than Container Q. After 3 hours in the sun, which container will have LESS water remaining?

A Container Q
B Container P
C Both will have the same amount.
D It depends on the temperature of the water.
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Worked Solution

Step 1: Identify the variable (Exposed surface area). Step 2: Evaporation occurs at the surface of the liquid. Step 3: Larger surface area (P) leads to a faster rate of evaporation. Step 4: Faster evaporation means less water is left behind.

Correct answer: Container P

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