Answer:
What grows in winter, dies in summer, and grows roots upward?
Who eats a lot of iron without getting sick?
It cannot be seen, it weighs nothing, but when put into a barrel, it makes it lighter.
People are hired to get rid of me. I'm often hiding under your bed. In time I'll always return you see. Bite me and you're surely dead.
When the son of the water returns to the parent, it dies. What is it?
What did the piece of wood say when he saw the screwdriver and screws approaching?