heat up vs change state

heat up and change state both are verbs.

Word	Noun	Adjective	Verb	Adverb
heat up	No	No	Yes	No
change state	No	No	Yes	No

As verbs, change state is a hypernym of heat up; that is, change state is a word with a broader meaning than heat up:

Other hypernyms of heat up include turn.

heat up (verb)	change state (verb)
make hot or hotter	undergo a transformation or a change of position or action
gain heat or get hot
make more intense