Scientific Method and Variables

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What is the Scientific Method?

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A systematic process used for scientific investigation, involving observation, hypothesis formulation, experimentation, and conclusion.

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What is an Independent Variable?

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

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What are Control Variables?

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Variables that are kept constant throughout an experiment to ensure that the results are due to the independent variable.

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What is a Hypothesis?

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

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What is the purpose of a Control Group?

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To provide a baseline for comparison against the experimental group, helping to isolate the effects of the independent variable.

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How do you identify the Independent Variable in an experiment?

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It is the one factor that is changed by the experimenter, while all other conditions are kept the same.

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What is the role of the Dependent Variable in an experiment?

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It is the outcome that is measured to see if it changes in response to the independent variable.

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What is a Scientific Experiment?

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A structured procedure carried out to test a hypothesis, involving controlled conditions and variables.

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What does it mean to 'control' a variable?

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To keep it constant and unchanged during an experiment to ensure valid results.