Standard Science Primary 5 Cycles

Ravi poured 200ml of water into four different containers and left them in the sun. Which container will have the LEAST amount of water left after 3 hours?

A A small, deep bowl
B A standard drinking glass
C A tall, narrow cylinder
D A large, flat tray
Show Worked Solution

Worked Solution

Step 1: Evaporation occurs only at the surface of the liquid. Step 2: A larger exposed surface area allows more water molecules to escape into the air faster. Step 3: The large, flat tray has the greatest exposed surface area.

Correct answer: A large, flat tray

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