Riddle: 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?
Riddle: I make two people out of one. What am I?
Answer: A mirror.
Riddle: I am something people love or hate. I change people's appearances and thoughts. If a person takes care of them self I will go up even higher. To some people, I will fool them. To others, I am a mystery. Some people might want to try and hide me but I will show. No matter how hard people try I will Never go down. What am I?
Riddle: I am white when I am dirty, and black when I am clean. What am I?
Answer: A blackboard.
Riddle: My life can be measured in hours, I serve by being devoured. Thin, I am quick. Fat, I am slow. Wind is my foe. What am I?
Answer: I am a candle.
Riddle: This is as light as a feather, yet no man can hold it for long. What am I?
Answer: Your Breath.
Riddle: I am taken from a mine, and shut up in a wooden case, from which I am never released, and yet I am used by almost everybody. What am I?
Answer: Pencil lead.
Riddle: The more you take away, the more I become. What am I?
Answer: A hole.
Riddle: I have two hands, but I can not scratch myself. What am I?
Answer: A clock.
Riddle: Always in you, Sometimes on you; If I surround you, I can kill you. What am I?