The ____ is the thing in an experiment that we change. The ____ is the thing we measure in an experiment The things we keep the same in an experiment are called ____. Another word for ____ is hypothesis I changed the mass of the car in the experiment. The mass must be the ____ I measured the time in the experiment. The time must be the ____. I kept the size of the ball the same size in an experiment so the size of the ball is a ____ At the beginning if an experiment, I ____ that taller students have bigger feet. The independent variable is the ____ in an experiment, The dependent variable is the ____ in an experiment.

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