take up vs chemical science

take up is not a noun while chemical science is a noun.

Word	Noun	Adjective	Verb	Adverb
take up	No	No	Yes	No
chemical science	Yes	No	No	No

take up (noun)	chemical science (noun)
	the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions

take up (verb)	chemical science (verb)
pursue or resume
return to a previous location or condition
adopt
take up as if with a sponge
take out or up with or as if with a scoop
accept
take in, also metaphorically
take up a liquid or a gas either by adsorption or by absorption
occupy or take on
take up and practice as one's own
begin work or acting in a certain capacity, office or job
turn one's interest to
take up time or space