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the controlled variable
the anwer is a variable( the thng that will change over time in the experiment
Controlled variable.
The independent variable.
Quotient
You can only change ONE at a time. That's what makes it controlled. It's the only sure way to know what actually changed the experiment.
a controlled experiment is when you keep everything the same besides one thing. the one "thing" you change is called a munipulated variable.
A controlled variable is the variable that always stays the same when you change other variables in the experiment. A variable is an ingredient or way of doing something in an experiment.
controlled experiment
the procedure doesn't change except for one controlled variable
experiment
the answer is a experiment that is controlled