Answer:
The sun bakes them, the hand breaks them, the foot treads on them, and the mouth tastes them.
My teeth are sharp, my back is straight, to cut things up it is my fate.
What points the way without a hand. It floats on water but exists on land?
Until I am measured I am not known, Yet how you miss me when I have flown.
What has two legs but doesn't walk?
If a rooster lays an egg on the exact peak of a barn, which side does it fall?