Scientific Variables

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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. It 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 are constants in an experiment?

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Constants are the factors that do not change during an experiment. They remain the same to ensure that the test is fair.

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What is a variable in scientific experiments?

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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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How do you identify the dependent variable in an experiment?

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The dependent variable is identified by asking what is being measured or observed in the experiment.

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How do you identify the independent variable in an experiment?

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The independent variable is identified by asking what is being changed or manipulated in the experiment.

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

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The control group is used as a standard for comparison. It does not receive the experimental treatment.

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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 a hypothesis?

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A hypothesis is a testable prediction about the relationship between two or more variables.

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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 numerical measurements.