Answer:
I am lighter than the material I am made of. You see parts of me but more of me is hidden underneath.
*forward* *backwards*is what I do all day. I come in all different shapes and sizes. I can be scary and I can calm you down.
I am always in front of you but you will never see me
The more you take, the more you leave behind. What are they?
Cloud is my mother. Wind is my father. I come down but never go up. What am I?
I am easy to waste and unstoppable