The definition of an experiment is a procedure that is done in order to make a discovery, test a hypothesis, or test a known fact. An experiment is often the testing of a scientific theory, although it can be applied to other fields as well, as long as it meets the criteria of the definition.
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The thing that never changes
science definition
A variable that stay the same during a science experiment
The variable is the part that is changed in the experiment; the constants are the parts that stay the same.
the definition for a controlled experiment is it test the effects of one factor
the answer is a experiment that is controlled
And answer to an experiment
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Physics
The thing that never changes in an experiment.
the processes or results of an experiment
A trial is the performance or exercise of that experiment
The thing that never changes
science definition
Yes, that's the precise definition of a scientific experiment.