Scientific Method

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What is the Scientific Method?

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A systematic process used for scientific investigation, involving observation, hypothesis formation, experimentation, and conclusion.

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What is a hypothesis?

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A testable prediction about the relationship between variables.

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True or False: A hypothesis must be stated in a way that is testable.

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True

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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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In Mr. S.'s experiment, what is the independent variable?

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The new cleaner.

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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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On which axis would you place the dependent variable in a graph?

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Y-axis.

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What are constants in an experiment?

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Conditions that remain the same throughout the experiment.

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What is a control trial?

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A standard for comparison in an experiment, often using the old or standard method.

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In Mr. S.'s experiment, what is the control trial?

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Test with the old cleaner.