Scientific Variables

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What is a scientific variable?

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A scientific 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 variable that is being observed or measured in an experiment.

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What is the independent variable?

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The independent variable is the variable that is changed or manipulated in an experiment.

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What is an experimental group?

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The experimental group is the group in an experiment that receives the treatment or manipulation.

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What is a control group?

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The control group is the group in an experiment that does not receive the treatment and is used for comparison.

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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 are constants in an experiment?

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Constants are the elements that are kept unchanged throughout the experiment to ensure that the results are valid.

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What is the purpose of a control group?

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The purpose of a control group is to provide a baseline to compare the effects of 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 a variable in an experiment?

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A variable is any factor that can change in an experiment, affecting the outcome.