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Vocabulary for science quiz

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Scientific experiment   An experiment designed to test the effect of one thing on another thing  
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Control   Something that isn't changed, nothing applied to it  
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Variable   Something that can be changed, can have something applied to it  
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Independent variable   The treatment applied to the scientific items  
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Dependent variable   What happens when the treatment is applied  
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Constants   All the other variables in the experiment that are kept the same  
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Sample size   The amount of times the experiment is repeated the exact same way  
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Data   The information recorded during the experiment  
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Valid   When the results of the experiment are valid there was only one variable that had an effect  
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Invalid   When the results of the experiment are invalid there was more than one variable that had an effect  
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Created by: tennisgirl2
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