The experimental setup includes variables that can be constant or varied. The independent variable of Rebecca's experiment includes the shape and volume of the objects.
An independent variable is defined by the self- subsistent behavior that is in the experimenter's control. The dependent and the independent variables are related by the cause and effect.
They affect the dependent variable and can be the shape or the volume of the object that results in floating or sinking in the water. The colored object is the dependent variable that relies on the shape of the object.
Therefore, independent variables are self-reliant.
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