Scientific Method and Variables

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What is the Scientific Method?

Back

A systematic process used for scientific investigation, involving observation, hypothesis formulation, experimentation, and conclusion.

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What is an Independent Variable?

Back

It is what the scientist changes in the experiment.

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What is a Dependent Variable?

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It is what changes as a result of what the scientist changes.

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What is a Control Variable?

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It is something that stays the same throughout the experiment.

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What is qualitative data?

Back

Data that describes qualities or characteristics, often non-numerical.

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What is quantitative data?

Back

Data that can be measured and expressed numerically.

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What type of graph is best for showing trends over time?

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Line graph.

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What type of graph is best for comparing different groups?

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Bar graph.

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What is the purpose of a hypothesis in an experiment?

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To provide a testable prediction about the relationship between variables.

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What is the Analysis section of an experiment?

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It contains the data tables and graphs, summarizing the results.