25/26 Unit 2 Properties of Matter

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Matter

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Anything that has mass and takes up space.

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Mass

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A measure of the amount of matter in an object.

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Volume

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The amount of space an object or substance occupies.

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Pure Substance

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A material with a constant composition and consistent properties throughout.

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Mixture

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A combination of two or more substances where each retains its own properties.

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Element

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A substance that cannot be broken down into simpler substances by chemical means.

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Compound

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A substance formed when two or more chemical elements are chemically bonded together.

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Solution

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A homogeneous mixture composed of two or more substances.

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Physical Property

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A characteristic of a substance that can be observed or measured without changing its identity.

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Physical Change

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A change in a substance that does not involve a change in the identity of the substance.