Scientific Method review

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What is the scientific method?

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A systematic process used for scientific investigation, involving observation, hypothesis formulation, experimentation, and conclusion.

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What is a hypothesis?

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A testable prediction about the relationship between variables.

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What is a dependent variable?

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The variable that is measured in an experiment; it responds to changes in the independent variable.

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What is an independent variable?

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The variable that is changed or controlled in an experiment to test its effects on the dependent variable.

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What is qualitative data?

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Data that describes characteristics or qualities, often collected through observations.

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What is quantitative data?

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Data that can be measured and expressed numerically.

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What is a control variable?

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Variables that are kept constant to ensure that the experiment tests only the effect of the independent variable.

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What is the purpose of a control group in an experiment?

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To provide a baseline for comparison against the experimental group.

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What is a conclusion in scientific research?

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A summary of the results of an experiment, indicating whether the hypothesis was supported or not.

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What is the difference between a theory and a hypothesis?

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A theory is a well-substantiated explanation of an aspect of the natural world, while a hypothesis is a specific, testable prediction.