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Science vocabulary

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Term
Definition
Prediction   Make a forecast  
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Classify   Group by similar characteristics  
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Qualitative Observations   Use our senses to gather information  
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Quanitaive Observations   Measure to get information  
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Inferences   Give an explanation for what you observed  
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Communication   Tell others what you know  
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Observational Investigation   Lab(investigation) when changes are being observed  
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Experimaental Investigaion   Lab(investigaion) when hypothesis is being tested  
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Hypotesis   Educated guess  
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Independent Variable   Change experimenter makes in an experiment. Also known as the manipulated variable. "I" change this first  
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Dependent Variable   Change that responds to the IV. This change depends on the IV. This change is the data collected or data measured to determine if the IV has an effect.This change happens after the IV  
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Constant   The factors that must stay the same in order for the experiment to be a fair test. The experimenter may only change one variable--the IV--all other common factors must stay the same  
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Control   Standard of comparison  
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Fair test   An experiment that changes only one factor  
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Repeated trials   Completing an experiment many times. This is done to make the xperiment a fair test  
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