activated vs physics

activated is not a noun while physics is a noun.

Word	Noun	Adjective	Verb	Adverb
activated	No	Yes	No	No
physics	Yes	No	No	No

activated (noun)	physics (noun)
	the science of matter and energy and their interactions
	the physical properties, phenomena, and laws of something

activated (adjective)	physics (adjective)
rendered active; e.g. rendered radioactive or luminescent or photosensitive or conductive
(military) set up and placed on active assignment
(of e.g. a molecule) made reactive or more reactive
(of sewage) treated with aeration and bacteria to aid decomposition