Physical Changes

Definition

Physical changes refer to changes affecting the form of a chemical substance, but not its chemical composition.

Related terms

Phase Change:

A type of physical change where matter transitions from one state (solid, liquid, gas) to another without changing its chemical composition.

Melting Point:

The temperature at which a solid becomes a liquid through heating; this is an example of physical change.

Dissolution:

The process by which a solute forms a solution in solvent; this too represents physical change as no new substance is formed.