Answer:
I have roots that no one sees and I am taller than trees. Up, up I go, but never do I grow. What am I?
I'm light as a feather yet the strongest person can't hold me for more than a few minutes. What am I?
I don't have eyes, but once I did see. Once I had thoughts, but now I'm white and empty. What am I?
If you have me you want to share me. If you share me you don't have me. What am I?
Lighter than what I am made of. More of me is hidden than seen. What am I?
Give it food and it will live, give it water and it will die.