Physical Science Flashcards

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Physical Science

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The sciences concerned with the study of inanimate natural objects, including physics, chemistry, astronomy, and related subjects.

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Matter

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Physical substance in general, as distinct from mind and spirit; in physics, it occupies space and possesses rest mass, especially as distinct from energy.

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Energy

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The ability to do work.

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Observations

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The action or process of observing something or someone carefully or in order to gain information.

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Hypothesis

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A testable statement.

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Theory

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A statement of ideas intended to explain something; based on general principles of the thing to be explained.

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Law

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A statement that describes a natural phenomenon that appears to always be true under certain conditions.

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Phenomena

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A fact or situation that is observed to exist or happen, especially one whose cause or explanation is in question.

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Engineering

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The branch of science and technology concerned with the design, building, and use of engines, machines, and structures.

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Open physical system

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A system that can exchange both matter and energy with its surrounding environment.