6th grade States of Matter Vocab

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Atom

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The smallest particle of an element; made of electrons, protons, and neutrons

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Gas

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A state of matter with indefinite volume and shape

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Kinetic energy

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Energy of motion

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Liquid

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A state of matter with a definite volume but no definite shape

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Molecule

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A group of atoms held together by chemical bonds

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Solid

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A state of matter with definite volume and shape

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Structure

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The arrangement of parts that form a living thing

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Volume

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A measure of the space that matter occupies.