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A physical change occurs when a substance changes, but no
new substance is formed.
Physical changes occur when the state of a substance
changes (eg melting, evaporation, freezing, condensing) or a
substance is crushed, ground or cut into smaller pieces.
Physical changes are often easy to reverse.
Change of State Remember The particles in a solid are close together and vibrate. The particles in a liquid are further apart and slide over each other. The particles in a gas are far apart and bump into each other as they move quickly.