Scientific Method Review

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What is a hypothesis?

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A possible explanation of an observation that can be tested.

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What is quantitative data?

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Data that can be measured and expressed numerically, such as the average number of offspring that an organism has.

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In an experiment, what is the dependent variable?

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The variable that is affected by changes in the independent variable; for example, the height of the ball's bounce.

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What is the scientific method?

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A series of steps used by scientists to solve a problem or answer a question.

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What is a constant variable?

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The thing in an experiment that must stay the same.

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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 the purpose of a control group in an experiment?

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To provide a standard for comparison against the experimental group.

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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 an experiment?

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A procedure carried out to support, refute, or validate a hypothesis.

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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.