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?
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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
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