Changes of state are physical changes in matter. They are reversible changes that do not involve changes in matter's chemical makeup or chemical properties. Common changes of state include melting, freezing, sublimation, deposition, condensation, and vaporization.

What do we mean by changing state?

The physical process where matter moves from one state to another. Examples of such changes are melting, evaporation, boiling, condensation, freezing, crystallization, and sublimation.

What is an example of changing state?

A change of state occurs whenever matter changes from one state to another. Common states of matter on Earth are solid, liquid, and gas. ... For example, when fog changes to water vapor, it is still water and can change back to liquid water again.