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The three variables of a science project are:

1. Controlled variable: A controlled variable means the part of the experiment that stays the same. This is also called the dependent variable.

2. Manipulated variable: A manipulated variable is something that can be changed by the experimenter. Also known as the independent variable.

3. Responding variable: A responding variable is the variable which you have to measure to get your results. So, you do not know the values of this variable until you measure it.

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14y ago

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