Scientific Method + Variables

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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 testable question?

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A question that can be answered through experimentation and observation.

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Is 'How does talking to a plant affect a plant's height?' a testable question?

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Yes, it can be tested through an experiment.

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Is 'What types of apples grow in Missouri?' a testable question?

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No, it is not a testable question.

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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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What is a 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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In Mrs. Calvo's dog training experiment, what is the independent variable?

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Type of reward (doggie treats, play time, praise).

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In Mrs. Calvo's dog training experiment, what is the dependent variable?

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Amount of time the dog follows commands.

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What does it mean to change the independent variable?

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It means to alter the one factor in an experiment to observe how it affects the dependent variable.

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What is a hypothesis?

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A proposed explanation or prediction that can be tested through experimentation.