Question

A student conducts an experiment to determine how the amount of water given to a plant affects its growth.

What is the independent variable for this experiment?
a. the amount of water
b. the height of the plant
c. the amount of sunlight
d. the amount of soil

Answer 1

A because the researcher can change the amount of water given to the plant to determine the dependent factor, how much the plant grows. C and D are both control variables that need to stay the same in order to perform this experiment correctly.