Answer:
I fill a room but take no space. What am I?
I'm at the head of an elephant and at the tail of a squirrel
I sleep when you are awake, I am awake when you fall asleep. I can fly but no feathers to aid my flight. What am I?
I am an instrument you can hear but cannot touch or see. What am I?
In Paris but not in France the thinnest of its siblings.
What did the piece of wood say when he saw the screwdriver and screws approaching?