Answer:
You throw me out when you use me and take me in when you are done. What am I?
I move without wings between silken strings. I leave as you find my substance behind
What comes in many different sizes but is always only 1 foot long?
Adored by few, feared and hated by many. Mistress of the entire universal reason, master in the art of numbers. Some may have solved many of my mysteries, but there are still many of them to find. What am I?
I am a mountain at night, meadow at day. What am I?
What did the piece of wood say when he saw the screwdriver and screws approaching?