Practice of Science

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What is the scientific method?

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A systematic process used by scientists to conduct experiments, make observations, and analyze data to answer questions.

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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, which is affected by the independent variable.

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What is a control group?

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A group in an experiment that does not receive the treatment or intervention, used as a benchmark to measure how the other tested groups compare.

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What is a hypothesis?

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

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What is empirical evidence?

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Information acquired by observation or experimentation that is used to support or refute a hypothesis.

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What is a comparative investigation?

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An investigation that compares two or more groups or conditions to determine differences or similarities.

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What is a descriptive investigation?

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An investigation that involves observing and describing characteristics without manipulating variables.

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Why is it important to have multiple trials in an experiment?

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To ensure reliability and accuracy of results by minimizing the impact of random errors.

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What is the purpose of a scientific experiment?

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To test a hypothesis by manipulating variables and observing the effects.