you can't because you will not have the right results to the experiment.
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Its the variable that is different between the control and test parts of the experiment.
i dont know u tell me you dummy
The dependent variable changes as a result of changes in the independent variable.Put another way,The Independent Variable is manipulated, and is known as the changed variable.The Dependent Variable is responding, and is known as the result.Example : In an experiment to test the effect of heating on evaporation, the various temperatures would be the independent variable, which will be changed by the experimenter. The amount of water that evaporates in a given time is the dependent variable, which is the data sought in the experiment.
An independent variable is the part of an experiment that you control. You can change it and make it anything. Such as an experiment dealing with the length of time it takes certain brands of chewing gum take to lose their flavor. The independent variable would be the brands of gum you decide to test, while the dependent variable would be the time it takes those brands to lose their flavor.
A variable changes. It varies. A non variable does not change. It is constant. For example if I write a mathematical expression such as x + 1, then x is a variable. Its value can be whatever value we choose. However 1 is a non variable. Its value is 1 and never changes from 1. In a scientific experiment a variable would be something that you changed from one test to another. A non variable would be something that remained constant from test to test. As a final example: the speed at which light travels in a vaccum is a constant. It is referred to by the letter c which stands for the universal constant. However, the speed at which your car travels is a variable. It changes.