Scientific Method and Investigation

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Observations

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Anything detected with the senses, which include sight, hearing, touch, smell, and taste.

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Evidence

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Any type of data that may be used to test a hypothesis.

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Hypothesis

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Tentative explanation to a scientific question that can be tested.

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Experiment

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Scientific investigation made under controlled conditions to test the validity of a hypothesis.

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Conclusion

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Summarizes the main points and gives a final thought or decision based on the information presented.

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Predictions

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Educated guesses on what might happen in the future.

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Theories

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Broad explanation that is widely accepted because it is supported by a great deal of evidence.

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Independent Variable

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The ONE variable that is manipulated by the investigator.

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Dependent Variable

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The data that is collected from an experiment.

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Control Variables

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All the other factors that must remain the same or constant in an experiment other than the experimental variable.