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What Is a Physical Change and Examples

Chemistry

definition

Definition of physical change

Properties such as shape, size, colour and state of a substance are called its physical properties. A change in which a substance undergoes a change in its physical properties is called a physical change.
Example is crystallisation.

example

Physical change

When the shape, size, appearance or state, of a substance is altered, but its chemical composition remains same a physical change of matter takes place. No new substance is formed. It is usually a change, which is reversible that is, by reversing the process the original substance can be obtained.  During melting of ice, it converts into water. It is a physical change as composition is not changed.