Scientific Method and Variables

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What is the scientific method?

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A systematic process used by scientists to investigate questions, gather data, and draw conclusions.

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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 observed in an experiment, which is affected by the independent variable.

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What is a hypothesis?

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

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What does it mean to control variables in an experiment?

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To keep all other variables constant except for the independent variable to ensure a fair test.

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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 data in scientific research?

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

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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 numbers and measurements.

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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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Why is it important to repeat experiments?

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To verify results and ensure that they are reliable and not due to chance.