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5 April, 04:35

Juan propped up a graham cracker in a shallow bowl. He then set up an electric fan to blow on the graham cracker at three different speeds. What is Juan's independent variable in this experiment?

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  1. 5 April, 07:18
    0
    The independent variable is the changing fan speeds.

    Independent variable are changed or controlled in experiments.
  2. 5 April, 07:28
    0
    The speed of the electric fan.
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