# A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the____ . A) diameter of the...

A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the____ .

A) diameter of the ball C) force acting on the ball

B) height that the ball bounces D)height from which the ball is bounced

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### 1 Answer

A variable is something that is being changed (varies) within an experiment. A dependent variable is the variable whose value depends on the independent variable (in other words, it is the variable that is being measured by the experimenter). The independent variable is the variable that is being changed (manipulated) by the experimenter.

In the experiment above, the student is testing how the height from which he/ she drops a ball affects how high the ball bounces. Using the definition for dependent variable above, the answer is (b). The height that the ball bounces is the variable that is being measured and is dependent upon the height from which the ball is dropped (which would be the independent variable).

If graphing such data, the independent variable values would go on the x-axis whereas the dependent variable data would go on the y-axis.

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