Answer:
I help engines spin and pants stay up.
I reach for the sky, but clutch to the ground. Sometimes I leave, but I am always around. What am I?
I am a cave full of bones and the house of a worm.
I am an instrument that you can hear but cannot see or touch. What am I?
We are little airy creatures all of different voice and features one of us in glass is set. One of us you'll find in jet. Another you may see in tin. And the fourth a box within. If the fifth you should pursue it can never fly from you.
What did the piece of wood say when he saw the screwdriver and screws approaching?