Scientific Method and Graphs - review

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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 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 changes in the independent variable.

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Why is it important to have only one independent variable in an experiment?

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To ensure that the results are valid and that any changes in the dependent variable can be attributed to the independent variable.

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What does a circle graph represent?

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A circle graph, or pie chart, represents data as parts of a whole, with the entire circle representing 100%.

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What is a hypothesis?

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A possible explanation for an observation that can be tested through experimentation.

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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, helping to isolate the effects of the independent variable.

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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 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 refuted.

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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.