What is keeping all variables the same except for the one being tested an example of

In a controlled experiment all variables are kept the same, except for the one being tested, which is called the experimental variable , or independent variable . The group that is not affected by the experimental variable is the control group . Very often a graph will be used to analyze the results of the experiment.

Explanation:

I hope this helps!!!

gets less

the independent variable, the one that is intentionally manipulated, is whether or not the car hits the barrier.

the dependent variable, the one that you measure the response in, is the distance that the washers travel.