Scientific Method

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What is a hypothesis?

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A possible explanation to a problem that has not yet been tested.

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What is the independent variable in an experiment?

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The variable that is deliberately changed by the scientist.

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What is the dependent variable in the hypothesis: If a person studies at least 3 hours a week, then test scores will improve?

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Test scores.

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True or False: A scientific theory is a proposed explanation of a phenomena.

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False.

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What is an example of quantitative data?

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Twenty students.

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What is the scientific method?

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A systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

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What is an experiment?

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A test conducted to support or refute a hypothesis.

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What is a control group?

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The group in an experiment that does not receive the treatment and is used for comparison.

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What is qualitative data?

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Data that describes qualities or characteristics, such as color or texture.

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What is a variable?

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Any factor, trait, or condition that can exist in differing amounts or types.