In an experiment where you are testing how different amounts of water affect plant growth, what is the independent variable?

Question

A
The type of soil used

B
The amount of water given to each plant

C
The height or growth rate of the plants

D
The time of day when watering occurs

Answer 1

The independent variable in your experiment is:

B. The amount of water given to each plant

The independent variable is the one that you change or manipulate in an experiment to observe its effect on the dependent variable, which in this case is the height or growth rate of the plants.