Nature of Science

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What is an independent variable?

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The variable that is changed by the scientist to test a hypothesis.

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What is a dependent variable?

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The measurable variable that is affected by the independent variable.

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What is the difference between a scientific theory and a scientific law?

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A theory is an explanation of the natural world, while a law is a description of the natural world.

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What does it mean to observe in science?

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Using one or more of your senses to gather information.

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What is a hypothesis?

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A proposed explanation for a phenomenon, which can be tested through experimentation.

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What is the purpose of a control in an experiment?

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To provide a standard for comparison and ensure that the results are due to the independent variable.

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What is the scientific method?

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

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What is a variable in an experiment?

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Any factor, trait, or condition that can exist in differing amounts or types.

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What is the role of data in scientific research?

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Data is collected to support or refute a hypothesis and to draw conclusions.

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What is an experiment?

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A procedure carried out to support, refute, or validate a hypothesis.