Answer:
What makes a loud noise when changing its jacket, becomes larger but weighs less?
This only turns over once you have travelled very far. What is it?
Pregnant every time you see her, yet she never will give birth.
What is the heart of many risks, has a heart, but is not a living being?
What begins and has no end? What is the ending of all that begins?
What did the piece of wood say when he saw the screwdriver and screws approaching?