Answer:
What can you fill a room with that takes up no space?
On Christmas eve, when Santa leaves his workshop on the north pole, what direction does he travel.
When is homework not homework?
A murderer is condemned to death. He has to choose between three rooms. The first is full of raging fires, the second is full of assassins with loaded guns, and the third is full of lions that haven't eaten in 3 years. Which room is safest for him?
What is as big as you are and yet does not weigh anything?
I only exist when you are here. Where you never were I can never be.