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!!!

b

explanation:

close lines strong magnet less close weaker