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Earth’s History-Geological Evolution.
Earth’s History-Geological Evolution.
6
Chemistry
8th Grade
08/11/2011

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Term
Variable
Definition
A factor that can affect the outcome of an experiment.
Term
Independent Variable
Definition
The variable that is manipulated... the one that "I" as the investigator can change.
Term
Dependent Variable
Definition
The variable that "depends" on the Independent.  This is the responding variable.  These are usually the results, what we measure.  Think D for Data.
Term
Controlled Variables
Definition
Those variables that are constant, or kept the same so that they do not affect the outcome.
Term
Experimental group
Definition
group(s) subjected to the independent variable.
Term
Control group 
Definition
Group not  subjected to the independent variable, used as measuring stick. This is the comparison group.
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