Answer:
Come up and let us go. Go down and here we stay
Break it and it is better, immediately set and harder to break again
Name for zenith
I am free for the taking. Through all of your life, though given but once at birth. I am less than nothing in weight, but will fell the strongest of you if held.
Vikings use this for warmth.
What begins and has no end? What is the ending of all that begins?