Sci Questions, Variables & Hypothesis Statements Review

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What is a Controlled (Constant) Variable?

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The factor in an experiment that is kept the same so it does not affect the outcome.

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What is a Scientific Question?

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A question that can only be answered by performing an investigation.

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What is an Independent Variable?

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The factor in an experiment that is changed by the investigator.

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What is a Dependent Variable?

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

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What is a Hypothesis?

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A testable statement predicting the outcome of an experiment.

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What is the purpose of a hypothesis in an experiment?

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To provide a clear prediction that can be tested through experimentation.

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What is the difference between an Independent Variable and a Dependent Variable?

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The independent variable is changed by the investigator, while the dependent variable is what is measured or observed.

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What is an example of a Controlled Variable in an experiment?

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Keeping the same type of ball when testing how mass affects distance rolled.

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What does it mean to conduct an experiment?

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To perform a test or investigation to answer a scientific question.

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What is the role of observations in scientific experiments?

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Observations are used to gather data and evidence during an experiment.