What has keys but can't open locks?
A piano, organ, clavichord, etc.
I am not alive but I can die; I'm not solid but I can melt. What am I?
Ice. Think, "Frosty the Snowman."
What goes up and down stairs without moving?
A carpet.
I run, but have no legs. What am I?
A nose.
Take one out and scratch my head, I am now black but once was red.
A match.
The more there is, the less you see.
Darkness.
What has a foot on each side and one in the middle?
A yard stick. A yard is three feet long.
What goes up but never comes down?
Your age.
I look at you, you look at me. I raise my right hand, you raise your left. What is this object?
A mirror.
What can fill a room but takes no space.
Light.
They come at night without being called and are lost in the day without being stolen. What are they?
Stars.
What has to be broken before it is used?
An egg.
What do you serve that you can't eat?
A tennis ball
The more you take, the more you leave behind
Footsteps.
What goes around the world and stays in a corner?
A postage stamp.
Remove the outside, cook the inside, eat the outside, throw away the inside.
Corn.
What gets wetter the more it dries?
A towel.
You can't keep this until you've given it.
A promise.
What do you fill with empty hands?
Gloves.
What question can you never say yes to?
Are you asleep?
What's the greatest worldwide use of cowhide?
To hold cows together.
What comes once in a minute, twice in a moment, but never in a thousand years?
The letter "M."
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 every person. What am I?
A pencil (the lead or graphite in pencils comes from mines).
A barrel of water weighs 20 pounds. What must you add to it to make it weigh 12 pounds?
Holes.
You see a boat filled with people. It has not sunk, but when you look again you don't see a single person on the boat. Why?
All the people on the boat are married. There are no single people on the boat.