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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for It's not rocket science:

AEROSPACE: It really is rocket science
COMMONSENSE: It's not exactly rocket science
ISNT: It ___ rocket science!
IDIOTPROOF: Not at all like rocket science
IDIOTPROOF: Hardly rocket science
NOBRAINER: It's not rocket science
ISITTHATHARD: C'mon, this ain't rocket science, huh?!
ITS: ___ not rocket science