Standard Science Primary 5 Cycles

Luke wanted to find out if the surface area of water affects the rate of evaporation. He used four containers. Which two containers should he use for a fair test?

A C and D
B A and B
C B and C
D A and C
Show Worked Solution

Worked Solution

Step 1: In a fair test, only the independent variable (surface area) should change. Step 2: Volume of water, temperature, and wind speed must be kept the same. Step 3: A and C have different surface areas but the same temperature and volume.

Correct answer: A and C

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

Start Free Trial — 7 Days Free