The Scientific Method

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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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Why is it important to test one variable at a time in an experiment?

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To determine the cause-and-effect relationship clearly.

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What is an experimental group?

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The group in an experiment that receives the treatment or variable being tested.

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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 are controlled variables?

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Factors that are kept constant throughout an experiment to ensure that the results are valid.

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What is the purpose of a conclusion in the scientific method?

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To summarize the results of the experiment and determine whether the hypothesis was supported or not.

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What is the difference between qualitative and quantitative data?

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Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements.

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What is an independent variable?

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The variable that is changed or manipulated in an experiment.

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What is a dependent variable?

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The variable that is measured or observed in response to changes in the independent variable.