Answer:
It flies around all day but never goes anywhere? What is it?
I am so delicate that even mentioning me breaks me. What am I?
I have a straight back and sharp teeth to cut objects.
I can fall off a building and live but in water I will die.
While you were folding a letter you got me. Usually you will do whatever it takes to avoid me but now you can't help but find me.
What did the piece of wood say when he saw the screwdriver and screws approaching?