Scientific Concepts and Terms

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Scientific method

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A systematic process for conducting experiments and analyzing information to answer questions.

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Dependent variable

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The variable being tested and measured in an experiment.

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Bias

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A tendency to favor certain outcomes or interpretations over others.

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Mass

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A measure of the amount of matter in an object, typically in kilograms or grams.

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Hypothesis

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A proposed explanation for a phenomenon, to be tested scientifically.

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Constant

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A variable that does not change during an experiment.

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Theory

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A well-substantiated explanation of some aspect of the natural world.

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Density

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The mass per unit volume of a substance.

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Experiment

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

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Control

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A standard for comparison in an experiment.