Study Notes: Nature of Matter The Nature of Matter 1. What is Matter? Matter is defined as anything that has mass and occupies space (volume). Everything in our environment—from the books we read to the air we breathe—is made of matter. Key Rule: If it has weight and takes up room, it is matter! 2. The Three States of Matter Matter exists in three physical states: Solid, Liquid, and Gas . The behavior of these states depends on how their particles are arranged. Property Solid Liquid Gas Particle Arrangement Held very close; orderly. Close together; disorderly. Very far apart. Movement Vibrate in fixed positions. Can move/slide a...
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