Standard Science Primary 5 Cycles

Why is rainwater considered a source of fresh water even though it evaporates from the salty sea?

A The wind blows the salt away.
B The sun filters the salt out.
C Clouds add fresh water to the vapor.
D Salt does not evaporate with the water.
Show Worked Solution

Worked Solution

Step 1: During evaporation, only water molecules change into gas. Step 2: Dissolved substances like salt are left behind in the liquid. Step 3: When the vapor condenses, it forms pure, fresh water droplets.

Correct answer: Salt does not evaporate with the water.

Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.

Start Free Trial — 7 Days Free