Scientific Investigation Review

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What is the scientific method?

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A systematic process used for scientific investigation, typically involving steps such as observation, hypothesis formulation, experimentation, analysis, and conclusion.

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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 or observed in an experiment, which is affected by changes in the independent variable.

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What is a hypothesis?

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A proposed explanation for a phenomenon, which can be tested through experimentation.

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What is a theory in science?

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A widely-accepted explanation of how or why something occurs in nature, supported by a large body of evidence and experimentation.

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What is a control variable?

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

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What does it mean to maintain homeostasis?

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The ability of an organism to regulate its internal environment to maintain stable, constant conditions.

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What is the importance of observation in scientific investigation?

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Observation is crucial as it provides the initial data and insights that lead to questions and hypotheses.

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What is the difference between a scientific law and a theory?

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A scientific law describes a consistent and universal relationship observed in nature, while a theory explains why that relationship exists.

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What is the purpose of analyzing data in an experiment?

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To interpret the results of the experiment, determine if the hypothesis is supported, and draw conclusions.