state change vs physical change

state change and physical change both are nouns.

Word	Noun	Adjective	Verb	Adverb
state change	Yes	No	No	No
physical change	Yes	No	No	No

As nouns, state change and physical change are synonyms defined as:

state change and physical change: a change from one state (solid or liquid or gas) to another without a change in chemical composition

Other synonyms of state change include phase change, phase transition.

state change (noun)	physical change (noun)
a change from one state (solid or liquid or gas) to another without a change in chemical composition	a change from one state (solid or liquid or gas) to another without a change in chemical composition