Scientific Method & Variables

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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 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 and affected in an experiment when the independent variable is changed.

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What is a control group?

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A group in an experiment that does not receive the treatment and is used as a benchmark to measure how the other tested subjects do.

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What is the purpose of a conclusion in an experiment?

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To summarize the results and determine whether the hypothesis was supported or refuted.

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What is the first step in the scientific method?

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Identifying a question or problem that needs to be investigated.

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What is evidence in scientific research?

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Data collected through observations and experiments that support or refute a hypothesis.

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What is the role of data in an experiment?

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Data is used to analyze the results of an experiment and draw conclusions.

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What is a variable in an experiment?

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Any factor, trait, or condition that can exist in differing amounts or types.