Answer:
I build up castles. I tear down mountains. I make some men blind, but I help others to see. What am I?
As a state in America I am round on both sides and high in the middle.
I am easy to waste. I am unstoppable. What am I?
I am a chair that can move. What am I?
I am a small paradise surrounded by dryness and heat.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic