Scientific method and variables

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Qualitative Data

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Data that describes qualities or characteristics, often observed but not measured. Example: The cat has orange fur.

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Quantitative Data

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Data that can be measured and expressed numerically. Example: The cat weighs 10 pounds.

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Hypothesis

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An educated guess or prediction that can be tested through experimentation.

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Experiment

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A procedure carried out under controlled conditions to test a hypothesis.

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Independent Variable

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

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Dependent Variable

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

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Control Group

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The group in an experiment that does not receive the treatment and is used for comparison.

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Data

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

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Inquiry

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The process of seeking information by asking questions and conducting investigations.

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Scientific Method

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A systematic approach to problem-solving that involves observation, hypothesis, experimentation, and conclusion.