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

Question

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

The independent variable for this experiment is:

a. the amount of water

The independent variable is the one that is changed or controlled in a scientific experiment to test its effects on the dependent variable (in this case, the height of the plant).