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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Why do we want to test one variable at a time?

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To know what is causing the changes.

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What is an independent variable?

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The ONE thing you change in an experiment.

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What is a dependent variable?

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The variable that you measure in an experiment.

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What are controlled variables?

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The variables in an experiment that stay the same.

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In an experiment, what does the dependent variable represent?

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The outcome or effect that is measured.

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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 the purpose of a control group in an experiment?

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To provide a standard for comparison against the experimental group.

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What is the difference between qualitative and quantitative data?

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

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What is an experiment?

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A procedure carried out to test a hypothesis.