Question

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

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 the experiment is:

B. The amount of water given to each plant

This is the variable that you are manipulating to see how it affects plant growth.