If Something Is Easy, It’s Not Rocket __

Puzzle 8 of School Dance Pack

Question is: If Something Is Easy, It’s Not Rocket __

and the answer is: SCIENCE

Word Meaning:

SCIENCE — (countable) A particular discipline or branch of knowledge that is natural, measurable or consisting of systematic principles rather than intuition or technical skill.

Definitions from Wiktionary.

If something is easy, it's not rocket __ School Dance Answers | CodyCross Solutions