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Hello students.
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Today's question is about a scientist is controlling the experiment and doing the controlled experiment and what does it mean by the controlled experiment? so first is it means that he or she is repeating the experiment? no, this is not true.
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Next is he or she are conducting the two versions of the experiment and one different by the single variable.
00:23
Yes, this one is true.
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Next one one experiment but controlled variables no.
00:30
So b is the correct.
00:31
Answer.
00:32
So what is actually the control in the experiment? so control is something whenever we are conducting any experiment, conducting any experiment.
00:41
So control is an element.
00:44
Control is an element that remains unchanged.
00:48
That remains unchanged or we can say that that is a constant phenomenon.
00:55
Constant or unaffected by the other variables.
00:59
Unaffected by the other variables...