Scientific Method

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What is the scientific method?

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A systematic process used by scientists to investigate phenomena, acquire new knowledge, or correct and integrate previous knowledge.

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What is a hypothesis?

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A testable prediction about the relationship between two or more variables.

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What is a dependent variable?

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The variable that is measured or observed in an experiment; it is affected by the independent variable.

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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 control variable?

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Variables that are kept constant to ensure that the results of an experiment are due to the independent variable.

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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 for comparison, helping to isolate the effects of the independent variable.

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What is the purpose of conducting experiments?

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To test hypotheses and determine cause-and-effect relationships.

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What is data in the context of the scientific method?

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Information collected during an experiment, which can be quantitative (numerical) or qualitative (descriptive).

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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 theory?

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A well-substantiated explanation of an aspect of the natural world that is based on a body of evidence.