Answer:
A house full, a yard full, a chimney full, no one can get a spoonful.
Lighter than what I am made of, More of me is hidden Than is seen.
Two bodies have I, though both joined in one. The more still I stand, the quicker I run.
Vikings use this for warmth.
A little pool with two layers of wall around it. One white and soft and the other dark and hard. Amidst a light brown grassy lawn with an outline of a green grass.
I always murmur but never talk. Always run but never walk. I have a bed but never sleep, have a mouth but never speak. What am I?