Scientific Method

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What is the scientific method?

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A systematic process used for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

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What is an independent variable?

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The variable in an experiment that is deliberately changed by the scientist.

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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 a hypothesis?

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An educated guess stating what you believe will be the result of your experiment.

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What is a control group?

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A group in an experiment that does not receive the treatment and is used as a benchmark to measure how the other tested subjects do.

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What is the first step of the scientific method?

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Identifying a question or problem to investigate.

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How many variables should be tested at one time in a controlled experiment?

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One variable.

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What is the purpose of a conclusion in an experiment?

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To summarize the results and determine whether the hypothesis was supported or not.

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What is data in the context of scientific experiments?

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Information collected during an experiment that can be analyzed to draw conclusions.

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What does it mean to control variables in an experiment?

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To keep all other variables constant except for the independent variable.