Scientific Method and Variables

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What is the scientific method?

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A series of steps used by scientists to solve a problem or answer a question.

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What is the first step in the scientific method?

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Make an observation and ask a question.

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What is a dependent variable?

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The variable that is measured in an experiment; it responds to changes in the independent variable.

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What is an independent variable?

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The variable that is changed or controlled in an experiment to test its effects on the dependent variable.

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What are controlled variables?

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Factors that are kept constant to ensure a fair test in an experiment.

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Why is it important to compare results in an experiment?

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To determine the effect of the independent variable on the dependent variable.

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What does it mean to make a hypothesis?

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To make an educated guess or prediction about the outcome of an experiment.

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What is the purpose of conducting an experiment?

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To test a hypothesis and gather data.

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What is data collection?

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The process of gathering and measuring information on variables of interest.

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What is the significance of a control group?

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A group that does not receive the experimental treatment, used for comparison.