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16 Cards in this Set
- Front
- Back
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Scientific Method Steps
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Ask a question, Hypothesis, Experiment, Collect data, Analyze data/Draw conclusions, Form a theory from hypothesis, Communicating
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Data
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Any & all info scientists gather when trying to answer questions
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Sampling
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Technique of using a small part to represent an entrie population (Large & random)
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Hypothesis
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Tentative answer to a questions that can be tested but never proved true beyond all doubt
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Prediction
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Statement made in advance that states results that will be obtained from testing hypothesis, if supported
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Experiment
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Process of testing hypothesis/prediction by gathering data under controlled conditions
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Controlled Experiment
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Test of variables using a comparison of a control group w/an experimental group
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Control Group
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Serves as a comparison w/another identical group/individual except for 1 factor
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Experimental Group
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Serves as a comparison w/control group with one changed factor
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Independent Variable (IV)
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Factor changed throughout experiment
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Dependent Variable (DV)
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Responding factor that you measure, resulting from the change in the IV
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Ways of Analyzing Data
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Statistics, comparisons w/other studies, sources of error
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Modeling
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Constructing representation of object, system, or process that helps show relationships among data
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Model
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Explanation supported by data (Visual, verbal, or mathematical)
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Theory
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Broad & comprehensive statement of what is thought to be true (supported w/ experimental evidence)
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Examples of Theories
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Big Band Theory, Theory of Evolution by Natural Selection, Cell Theory
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