Scientific Method + 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 a variable in an experiment?

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A factor that can change in an experiment, affecting the outcome.

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How many variables should you change in a well-designed experiment?

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Only one.

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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 a dependent variable?

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The variable that is measured or observed in an experiment, affected by the independent variable.

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What is a hypothesis?

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A testable prediction about the relationship between variables.

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Can a hypothesis be wrong?

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Yes, a hypothesis can be proven wrong through experimentation.

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What is a testable question?

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A question that can be answered through experimentation and observation.

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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 characteristics or qualities, while quantitative data involves numerical measurements.