Standard Science Primary 5 Cycles

Jun Jie placed two identical towels, A and B, under the sun. Towel A was folded in half, while Towel B was spread out. Which towel will dry faster and why?

A Towel A, because it has less surface area.
B Towel B, because it has more surface area.
C Towel A, because it is thicker.
D Towel B, because it is lighter.
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Worked Solution

Step 1: Identify the variable (exposed surface area). Step 2: Evaporation occurs only at the surface. Step 3: Towel B is spread out, meaning more water particles can escape into the air at once.

Correct answer: Towel B, because it has more surface area.

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