The independent variable is the one that the person doing the experiment changes themself. The dependant variable is the one that is recorded as results.
For example, if investigating the effect of water on the rate of photosynthesis, you would change the amount of water and record how the rate of photosynthesis changes. Therefore, the amount of water is the independent variable and the rate of photosynthesis is the dependant variable.
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Every time the independent variables change, the dependent variables change.Dependent variables cannot change if the independent variables didn't change.
Independent variables are variables that can be changed in an experiment, while dependent variables are variables that change as a result of an experiment. In other words, independent variables are what you change, and dependent variables are the results of the experiment.
Independent variables are those that you change in an experiment. Dependent variables are the ones that you measure in an experiment. Dependent variables are influenced by the independent variables that you change, so they are dependent upon the independent variable. Generally, experiments should have only one independent variable.
They are respectively the ones you control (independent) and the ones you mesure (dependent).
line that measures the slope between dependent and independent variables