Question

Which describes a constant in an experiment?


A.

the variable changed by the experimenter




B.
the quantity that must remain the same




C.
the variable that changes in response to the experiment




D.
the statement that is worded to test the experiment

Answer 1

A constant in an experiment is B. the quantity that must remain the same. If it is constant, it doesn't change, so it cannot be variable. D makes no sense.