Standard Science Primary 5 Cycles

Ravi wants to find out how the surface area of water affects the rate of evaporation. Which two setups should he compare?

A Setups with different surface areas but same volume and temperature
B Setups with same surface area but different temperatures
C Setups with different locations but same surface area
D Setups with different volumes but same surface area
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Worked Solution

Step 1: Identify the independent variable (surface area). Step 2: Identify controlled variables (volume of water, temperature, wind). Step 3: To make it a fair test, only surface area must change.

Correct answer: Setups with different surface areas but same volume and temperature

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