I would use those mini rock things that make noise or any other objects that make people run away. You could also just pull a prank on them.
you scare them
you could jump out from behind a corner
that wont scare her away, it will flatter her.
Indonesian dances and to scare away spirits
you need to go in the lecture tower and play bingo if you win you need to go to the store and put the disk in the CD player than you'll get a prize
Detention, Stand in the corner, Take away cell phone, Give extra homework, Call parents, Smack her desk with a ruler and scare her.
You can scare them with garlic, jewelry with crosses on them and crosses.
dolphins scare off sharks by fighting them
Yes fire can be used to scare wild animals away.
Use the helicopter with the crab on it to scare them.
Jack-o-lanterns were originally used to scare away vampires.
No, as an inanimate object it wont scare away pests, maybe crows.