Scientific Method and Variables

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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 dependent variable?

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The variable that is measured or observed in an experiment; it changes in response to 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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Why is it important to test one variable at a time in an experiment?

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To accurately determine the cause of any changes observed in the dependent variable.

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What is the first step in the scientific method?

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Identifying a question or problem to investigate.

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What is a hypothesis?

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A testable prediction about the relationship between the independent and dependent variables.

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What is a control variable?

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Variables that are kept constant throughout an experiment to ensure that the results are due to the independent variable.

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What is the purpose of conducting an experiment?

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To test a hypothesis and gather data to support or refute it.

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What is data collection in the scientific method?

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The process of gathering and measuring information during an experiment.

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What is a conclusion in the scientific method?

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