Answer:
Deep, deep, do they go. Spreading out as they go. Never needing any air. They are sometimes as fine as hair.
I am used when you jump off a bridge for fun.
I stand in one place yet fill the whole room. I can be filled with molten rock and come in every hue. What am I?
I can be heard in a court or carried with you.
What force and strength cannot get through I with my unique teeth can do.
What can you lose that will cause other people to lose theirs too?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic