I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

Until I am measured, I am not known. Yet how you miss me, when I have flown. What am I?

A boy was at a carnival and went to a booth where a man said "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy saw no scale so he agreed and lost. How?

I make two people out of one. What am I?

If your uncle's sister is not your aunt, who is she?

Many teeth, no bite

Spelled forewards I am what you do every day, spelled backward I am something you hate.

What kind of room has no doors or windows?

What can go up a chimney down, but can't go down a chimney up?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

Two in a corner, one in a room, none in a house, but one in a shelter.