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 formulation, experimentation, and conclusion.

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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 an independent variable?

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The variable that is manipulated or changed in an experiment to test its effects on the dependent variable.

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What is a control 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 a hypothesis?

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A testable prediction about the relationship between two or more variables.

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What is the purpose of a control group in an experiment?

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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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How do you identify the dependent variable in an experiment?

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Look for what is being measured or observed as a result of changes made to the independent variable.

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What is the role of repetition in scientific experiments?

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To ensure reliability and accuracy of results by conducting the experiment multiple times.

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What is an example of a scientific question?

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How does the amount of sunlight affect the growth of a plant?

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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.