Independent Variable : The variable that the scientist changes on purpose for the experiment, The scientist changed the size of the parachute. , The scientist changed the amount of salt added to water., The scientist changed the design of the paper airplane., The scientist put a different type of soil into the 5 garden pots. , Dependent Variable : The variable that is measured/observed during an experiment, The time it took a hippo to fall 10 feet., The scientist was measuring the size of salt crystals., The scientist measured how far the paper airplane flew. , The scientist measured how tall of the each of plants grew. ,

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