Question

powers: the scientific method: what is science? how do i... multiple - choice question if each jar has the same amount of water, what kind of variable is the amount of water? controlled variable dependent variable independent variable rewatch

Explanation:

In an experiment, a controlled variable is kept constant. Since the amount of water is the same in each jar, it is being controlled to ensure it doesn't affect the outcome. A dependent variable changes in response to the independent variable, and an independent variable is manipulated by the experimenter. Here, the amount of water isn't being changed or causing other variables to change in the described context, so it's a controlled variable.

Answer:

controlled variable