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 an independent variable?

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The variable that is changed or controlled in an 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 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 the purpose of a hypothesis?

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A testable prediction about the relationship between variables in an experiment.

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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 test results are valid.

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What type of graph is best for showing changes 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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Repeating experiments helps to verify results and ensure reliability and accuracy.

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What is a conclusion in the scientific method?

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