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Matter is everything in the universe with mass and volume. It exists primarily in three states: solid, liquid, and gas. Solids have a definite shape and volume, with molecules tightly packed together, giving them rigidity. Liquids take the shape of their container but maintain a definite volume; their molecules are loosely packed, allowing them to flow. Gases, on the other hand, have neither a definite shape nor volume, with molecules moving freely and quickly. This guide provides a foundational understanding of the fundamental states of matter.
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What’s matter? Everything in the universe that has mass and takes up space.
What are the states of matter? Solid, Liquid, and Gas
Solid Definite shape and has definite volume Molecules of a Solid packed tightly together
Liquid No definite shape but has a definite volume Molecules of a liquid Loosely packed
Gas No definite shape and no definite volume Molecules of a liquid A few molecules that move around quickly