Why does time fly?

1What kind of man can raise things without lifting them?

2What has teeth but cannot eat?

3 Who isn't your sister and isn't your brother, but is still a child of your mother and father?

4When the boy fell into the water, what's the first thing he did?

5 Where did Columbus stand when he discovered America?

6What never asks any questions but always gets answers?

7When do you go as fast as a racing car?

8How many sides does a house have?

9What 5-letter word has 6 left when you take 2 letters away?

10What do workers do in a clock factory?