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controls variables etc..

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Question
Answer
What is an Experiment?   Something that is done to test a hypothesis A test or series of tests  
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What is a Control or Constant?   Factors in an experiment that are the same for all of the groups in the experiment  
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What is a Variable?   The part of the experiment that is different This change will cause our results THERE CAN ONLY BE ONE VARIABLE IN AN EXPERIMENT  
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What is a Controlled Experiment?   An experiment with at least two set-ups or groups One group is the control group wchich will be "normal" One group will be the variable group wchich has a change that will lead to your results.  
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