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 variable in an experiment?

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

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What are independent and dependent variables?

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Independent variable: the factor that is changed or controlled in an experiment. Dependent variable: the factor that is measured or observed.

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Why is it important to have a control group in an experiment?

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A control group provides a baseline to compare the effects of the independent variable.

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What is a hypothesis?

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

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What is qualitative data?

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Descriptive data that can be observed but not measured, often involving characteristics or qualities.

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What is quantitative data?

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Numerical data that can be measured and expressed with numbers.

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What is the purpose of conducting experiments in the scientific method?

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To test hypotheses and gather data to support or refute them.

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What does it mean to draw a conclusion in the scientific method?

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

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What is the importance of repeating experiments?

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To ensure reliability and validity of results, confirming that findings are consistent.