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What is a hypothesis?

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A possible explanation to a problem that has not yet been tested.

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What is the purpose of a control group in an experiment?

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To provide a basis for comparison.

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What is the first step in the scientific method?

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To identify a question or problem.

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How can you identify the dependent variable in an experiment?

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By looking for what is being measured.

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What is a control group?

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The part of the experiment where the variable being tested is omitted for comparison.

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What is the independent variable?

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The variable that is purposefully changed in an experiment.

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What is the dependent variable?

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The variable that is measured in response to changes in the independent variable.

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What is the scientific method?

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

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What is data in the context of scientific experiments?

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Information collected during an experiment, which can be qualitative or quantitative.

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What is a theory?

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A well-substantiated explanation of an aspect of the natural world that is based on a body of evidence.