Standard Science Primary 5 Cycles

Four identical towels, P, Q, R and S, were soaked with the same amount of water. They were hung out to dry under different conditions. Based on the table below, which towel will dry the fastest?

A Towel Q
B Towel S
C Towel R
D Towel P
Show Worked Solution

Worked Solution

Step 1: Evaporation is faster with a larger exposed surface area, higher temperature, and presence of wind. Step 2: Towel S is spread out (large surface area) and placed under the sun (high temperature). Step 3: These conditions maximize the rate of evaporation.

Correct answer: Towel S

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