'passer un examen' means 'to take / to sit an exam' in English. (That doesn't mean that you actually pass it). Regarder is 'to watch, to look at', so regarder passer un examen means 'to look at [someone] taking an exam'
just "examens" but to take an exam is "passer un examen" and to pass an exam is "réussir un examen"
passer la journée means to spend the day in French.
Quand je suis libre, j'aime faire du sport, sortir avec des amis ou passer du temps à lire ou regarder des films.
To pass
passer un certain temps passer du temps
To sleepover is "passer la nuit chez quelqu'un" in French.
Move to = passer à
Passer has lots of meaning in French. A most common one is "to go from one location to another"
"se passer de ..." means 'to do without ..." in French.
pouvez vous me passer cela
Passer les bonbons.
to graduate: passer son diplôme, ('passer' in French is not 'to pass', but 'to take')a graduate: un diplômé, une diplômée