Answer:
I go around a yard but does not move.
lighter than feather and softer than silk yet the strongest man in the world cannot hold me for more than a few minutes.
When I am alive, people sing. When I am dead, people clap hands. What am I?
I am easy to waste. I am unstoppable. What am I?
Weight in my belly, trees on my back, nails in my ribs, feet I do lack. What am I?
Give it food and it will live, give it water and it will die.