Experimental Design

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What is an experimental design?

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A plan for conducting an experiment to test a hypothesis.

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What is a variable in an experiment?

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A factor that can change in an experiment.

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What is a controlled variable?

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A variable that is kept constant throughout the experiment.

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What is an independent variable?

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The variable that is changed or manipulated in an experiment.

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What is a dependent variable?

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The variable that is measured or observed in an experiment.

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What is a hypothesis?

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A testable prediction about the outcome of an experiment.

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What does it mean to collect data?

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To gather information and measurements during an experiment.

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What is a conclusion in an experiment?

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A summary of the results and whether the hypothesis was supported.

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What is the purpose of a control group?

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To provide a standard for comparison in an experiment.

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What is a scientific method?

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