1-1: Describing and Classifying Matter (Vocabulary)

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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 of matter that can be observed or measured without changing the matter into another type of matter

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Chemical Property

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A characteristic of a substance that may be observed when it participates in a chemical reaction. It becomes something else.

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Atom

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The smallest unit of an element that maintains the properties of that element. The basic unit from which all matter is made

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Element

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A pure substance made of only one kind of atom.

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Molecule

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Two or more atoms bonded together.

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Compound

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A substance made up of atoms of two or more different elements joined by chemical bonds.

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Mixture

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A combination of two or more substances that are not chemically combined.

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Distillation

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Separating liquids by boiling them