Monday, December 5, 2011

What is a test and control variable?

I am trying to answer my science homework and I have no clue what test and control variable is?Please no negitive comments!|||A test variable is the one thing you plan to be different in an experiment (sometimes referred to as the independent or controlling variable).





A control variable is a variable whose effects must be neutralized or controlled.





~xoxo Mia xoxo~

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