PS 8 Unit 1 Test Review 25/26

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What is a dependent variable?

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The dependent variable is the factor that is measured in an experiment, which changes in response to the independent variable.

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What is an independent variable?

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

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What is a hypothesis?

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A hypothesis is a testable prediction about the relationship between two or more variables, formed before conducting an experiment.

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

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A control group is used as a standard for comparison to determine the effect of 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 the importance of consistency in experiments?

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Consistency ensures that the results are reliable and that any changes observed are due to the independent variable.

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What is data analysis?

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Data analysis involves examining, cleaning, transforming, and modeling data to discover useful information and support decision-making.

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What is the significance of replicating experiments?

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Replicating experiments helps verify results and ensures that findings are reliable and not due to chance.

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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 in an experiment.

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What is the role of observation in scientific research?

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Observation is the act of noting and recording an event, characteristic, or behavior to gather data for analysis.