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 formation, experimentation, and conclusion.

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What is an independent variable?

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The variable that is purposely changed in an experiment to test the hypothesis.

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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 a variable in an experiment?

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Any factor that can be controlled, changed, or measured.

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What is data in scientific experiments?

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Information collected from experiments, often organized into charts and graphs.

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What is a hypothesis?

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A testable prediction about the outcome of an experiment.

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What is a control group?

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

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What is qualitative data?

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Data that describes qualities or characteristics, 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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Why is it important to have a controlled experiment?

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To ensure that the results are due to the independent variable and not other factors.