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test practice cards

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Question
Answer
atomic number   the number of protons in a atom  
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independant variable   the variable that you can change in your experiment .it directly effects the dependant variable  
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dependant variable   the variable who's value is controlled by the independant variable  
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controll variable   the variable that is the same in both groups that are being tested  
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hypothosis   a edgecated guess  
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research   a search in some field of knolledge  
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observation   recording facts from research and experiment  
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problem   a difficult matter  
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experiment   undertaken to discover or to demonstrate  
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experimental design   the desighn if and informatin gathering exercices  
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