Physical Changes
Summary: Reversible changes that alter appearance or state without creating new substances. Tags: concepts chemistry Created: 2026-04-23T00:00:00Z Last Updated: 2026-04-23T00:00:00Z
Content
Physical changes do not rearrange atoms or create new substances. They are reversible, allowing return to original form.
Examples: melting, freezing, boiling, condensing, dissolving, changes of state.
Contrast with Chemical Reactions which form new substances and are often irreversible.