Standard Science Primary 5 Cycles

Siti poured an equal amount of water into four containers (A, B, C, and D) with different surface areas. She placed them in the same sunny spot. Which container will have the LEAST amount of water left after 3 hours?

A The container that is the deepest.
B The container with the largest surface area.
C The container with the smallest surface area.
D All containers will have the same amount.
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Worked Solution

Step 1: Identify the process (Evaporation). Step 2: Recall factors affecting evaporation rate (Temperature, Humidity, Wind, Surface Area). Step 3: Larger surface area = Faster evaporation. Step 4: Faster evaporation = Less water remaining.

Correct answer: The container with the largest surface area.

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