Science "Matter" Vocabulary Study Guide

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Atom

Back

The smallest unit of matter that still has the properties of an element.

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Molecule

Back

Two or more atoms joined together to form a single unit.

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Base

Back

A substance that feels slippery and turns litmus paper blue.

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Acid

Back

A substance that tastes sour and turns litmus paper red.

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Chemical Reaction

Back

A process where substances combine to form new substances.

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Matter

Back

Anything that has mass and takes up space.

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Liquid

Back

A state of matter that flows and takes the shape of its container.

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Gas

Back

A state of matter that spreads out to fill its container completely.

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Solid

Back

A state of matter that has a definite shape and volume.

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Mass

Back

The amount of matter in an object.