Scientific Method Review

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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 hypothesis?

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A possible explanation for a problem that can be tested through experimentation.

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What is an independent variable?

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The variable that is deliberately changed or manipulated in an experiment.

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What is a dependent variable?

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The variable that is measured or observed in an experiment, which changes in response to the independent variable.

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What is a controlled 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 a control group?

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To provide a baseline for comparison against the experimental group, helping to isolate the effects of the independent variable.

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What type of graph is best for showing changes in variables over time?

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Line graph.

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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.

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What is the importance of repeating experiments?

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To verify results and ensure reliability and accuracy of the findings.

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What is an experiment?

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A procedure carried out to test a hypothesis by manipulating variables and observing the effects.