Answer:
There's a one-story house in which everything is green. Green walls green windows green doors. What color are the stairs?
I am an activity involving pins flying in the air.
You can always find me in the past. I am created in the present, but the future can not change me. What am I?
Face with a tree skin like the sea. A great beast I am. Yet vermin frightens me.
I'm many people's favorite place even though many don't remember their stay. You'll love to come but hate to leave if you get cold use my sleeves.
Give it food and it will live, give it water and it will die.