Answer:
I'm light as a feather, yet the strongest man can't hold me for more than 5 minutes.
What can you fold but not crease?
I am black when I am clean and white when I am dirty?
Add a T and I shoot through the sky. Then add an S and I multiply. What word is it?
Come up and let us go. Go down and here we stay
What did the piece of wood say when he saw the screwdriver and screws approaching?