Variables in science

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What is a variable in science?

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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 dependent variable?

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

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What is the independent variable?

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The independent variable is the factor that is manipulated or changed in an experiment to observe its effect on the dependent variable.

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What is another term for the independent variable?

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Manipulated variable.

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What is a qualitative observation?

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A qualitative observation is a description that does not involve numbers or measurements, focusing instead on characteristics or qualities.

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What is a quantitative observation?

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A quantitative observation is a measurement that involves numbers and can be quantified.

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What is a controlled variable?

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A controlled variable is a factor that is kept constant throughout an experiment to ensure that the results are valid.

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

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The control group serves as a standard for comparison, allowing researchers to see the effect of the independent variable.

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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 as a result of changing the independent variable.

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What is the significance of replicating experiments?

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Replicating experiments is important to verify results and ensure that findings are reliable and not due to chance.