You can have more than one variable, but it would take longer to solve.
A controlled experiment
It depends on the experiment or the category. you welcome s.a No it's the variable k.a.
controlled variable is the factor that leaved unchanged to investigate any only one factor that has been changed in the other experiment and the effect of not altering this factor.
The variable of the experiment that is being tested or the part that is changed by the person doing the experiment is called the independent variable... Thank you for letting me answer goodbye... ;)
Which variable is being tested in this experiment
a controlled experiment
controlled experiment
It is called a controlled experiment.
a controlled experiment
a controlled experiment
a controlled experiment
Indpendent variable
a controlled experiment
the investigator only changes one variable in an experiment because they need to see how that one variable reacts. if you wanted to see how the dependent variable changed but changed the independent variable you would not see how the one variable reacts.
Variable
Independent variable : )
Controlled