Scientific variables review

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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 dependent variable?

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

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What is a control variable?

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Control variables are factors 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 for a scientific question to be measurable?

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A measurable scientific question is one that can be tested and quantified through observation and experimentation.

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In an experiment, what is the purpose of the independent variable?

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The purpose of the independent variable is to determine its effect on the dependent variable.

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How do you identify the independent variable in a question?

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The independent variable is usually the factor that is manipulated or changed by the researcher.

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How do you identify the dependent variable in a question?

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The dependent variable is usually the outcome that is measured in response to changes in the independent variable.

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What is the relationship between independent and dependent variables?

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The independent variable is manipulated to observe its effect on the dependent variable.

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What is an example of an independent variable in a baking experiment?

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The temperature of the oven is an example of an independent variable in a baking experiment.

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What is an example of a dependent variable in a baking experiment?

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The softness or hardness of the cookies is an example of a dependent variable in a baking experiment.