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 a variable in an experiment?

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

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What is a dependent variable?

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The variable that is measured or observed in an experiment; it depends on the independent variable.

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What is an independent variable?

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The variable that is intentionally changed or manipulated in an experiment to observe its effect.

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What is a controlled variable?

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Factors that are kept constant throughout an experiment to ensure a fair test.

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What does qualitative data refer to?

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Data that describes qualities or characteristics, often using words (e.g., color, taste).

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What does quantitative data refer to?

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Data that can be measured and expressed numerically (e.g., height, weight).

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What is a hypothesis?

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A testable prediction about the relationship between variables in an experiment.

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What is the purpose of a conclusion in an experiment?

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

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What is an experiment?

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A scientific procedure undertaken to test a hypothesis by collecting data.