Answer:
What can fill an entire room without taking up any space?
In 1990, a person is 15 years old. In 1995 that same person is 10 years old. How is this possible?
If you count 20 houses on your right going to the store and 20 houses on your left coming home, how many houses did you count?
There is a dog on one side of a lake and a woman on the other. The woman calls the dog over and when he gets there he is not wet at all. How is this possible?
What is as big as you are and yet does not weigh anything?
What is full of holes but still holds water