Matter Topic 1: Introduction to Matter

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Matter

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Anything that has mass and takes up space.

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Substance

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A single kind of matter that always has a specific makeup, or composition.

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Physical Property

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A characteristic that can be observed without changing the matter into another type of matter.

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Chemical Property

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Characteristics that describe something's ability to become something else.

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Atom

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The basic unit from which all matter is made.

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Elements

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Substances that are made up of only one type of atom.

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Molecule

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A group of two or more atoms held together by chemical bonds.

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Compound

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A substance made up of two or more elements that are chemically combined in a set ratio.

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Mixture

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Made up of two or more substances that are together in the same place but their atoms are not chemically bonded.

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Mass

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The amount of matter in an object.