Scientific Method Review Pracactive

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What is the independent variable in an experiment?

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The independent variable is the factor that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

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What is the purpose of a control group in an experiment?

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The control group serves as a standard for comparison, allowing scientists to determine the effect of the independent variable.

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What is a dependent variable?

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The dependent variable is the variable that is measured and affected in an experiment, responding to changes in the independent variable.

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What is a hypothesis?

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A hypothesis is a testable explanation for an observation or a prediction about the relationship between variables.

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What does it mean to measure the dependent variable?

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Measuring the dependent variable involves collecting data on the outcomes that result from changes made to the independent variable.

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What is the scientific method?

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The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

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What is an experiment?

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An experiment is a procedure carried out to support, refute, or validate a hypothesis.

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What is data in the context of an experiment?

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Data refers to the information collected during an experiment, which can be quantitative (numbers) 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 numerical measurements.

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What is a variable in an experiment?

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A variable is any factor, trait, or condition that can exist in differing amounts or types.