research project vs scientific research

research project and scientific research both are nouns.

Word	Noun	Adjective	Verb	Adverb
research project	Yes	No	No	No
scientific research	Yes	No	No	No

As nouns, research project and scientific research are synonyms defined as:

research project and scientific research: research into questions posed by scientific theories and hypotheses

research project (noun)	scientific research (noun)
research into questions posed by scientific theories and hypotheses	research into questions posed by scientific theories and hypotheses