What is a control group and an experimental group in a science fair?

Plz help it's due tomorrow. Plz, Thx|||The control group is the baseline, or the group that does not get the experiment.





So, if you were showing the affect of light on plant growth, the control group is the plant without the light, and the experimental group is the plant with the light.|||The control group is NOT the same as the control variable. Get your facts straight!!!

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|||thats the same as the control variable which is the one that stays the same somehting thsat doesnt change. Like how it would be if u dnt do anything to the thing(w.e. ur testing) nd The experimental group is the MV and RV . MV= manipulated variable is what u change and RV= responding variable. When u change something (this something would be the mv) sometihng(RV) happens the rv is kind of the result of the mv...