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Scientific Method Vocabulary

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Term
Definition
Analysis   Summary looking for relationships in the data  
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Conclusion   Accepts or rejects hypothesis, summarizes the data pattern and relationships  
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Constant   A variable that does not change in an experiment  
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Control   Part of experiment that usually happens, used for comparison  
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Data   Information collected during a scientific experiment  
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Dependent Variable   The variable that is measured or observed. it "depends on" the independent  
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Experiment   A series of steps that test a hypothesis  
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Hypothesis   A prediction, an "educated guess", written as an "if...then..." statement  
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Independent Variable   The variable that you are testing or changing. "I change the..."  
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Inference   An explanation of information, not directly observed  
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Materials   All equipment and items needed for an experiment  
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Model   An explanation of how a system works using objects or drawings  
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Observation   Information gained by using the 5 senses and lab equipment  
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Procedure   Numbered, step-by-step set of instructions used to conduct and experiment  
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Purpose   The question to be answered in a science experiment  
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Qualitative   Observations describing characteristics of an object, such as color, texture, size, shape, etc.  
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Quantitative   Observations representing measurements, numbers or amounts  
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Scientific Law   Describes how nature acts under certain conditions. Well established idea.  
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Scientific Method   An organized series of steps used to solve problems  
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Scientific Theory   A set of ideas that tie together observations. Well supported hypothesis that cannot be proven wrong  
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Sources of Error   Any happenings in an experiment that negatively affect the data  
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Variable   Factors of a scientific experiment that can be changed  
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