Answer:
Lighter than what I am made of. More of me is hidden than seen. What am I?
What can fill a room but takes up no space?
I wiggle and cannot see; sometimes underground and sometimes on a tree. I really don't want to be on a hook and I become a person when combined with “book”.
I suck.
I have a neck and no head, two arms but no hands. I'm with you to school, I'm with you to work. What am I?
A man goes out in heavy rain with nothing to protect him from it. His hair doesn't get wet. How does he do that?