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 an independent variable?

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The variable that is changed or controlled in a scientific 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 tested in an experiment, which is affected by 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 valid.

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What is a hypothesis?

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A proposed explanation or prediction that can be tested through experimentation.

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What is a conclusion in an experiment?

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A summary of the results of an experiment, explaining whether the hypothesis was supported or not.

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Why is it important to repeat experiments?

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Repeating experiments helps to verify results and ensure reliability and accuracy.

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What is the purpose of a control group?

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A group in an experiment that does not receive the treatment or independent variable, used for comparison.

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What is data in a scientific experiment?

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Information collected during an experiment, which can be quantitative (numbers) or qualitative (descriptions).

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What is an example of an independent variable?

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In an experiment testing the effect of sunlight on plant growth, the amount of sunlight is the independent variable.