Answer:
I build up castles. I tear down mountains. I make some men blind, but I help others to see. What am I?
I am the noblest musical instrument
I am essential to life on earth! I am split into thirds. Two thirds are the same. One of the thirds is 8. The other two are 1 each.
I cover what's real; hide what is true, but sometimes bring out the courage in you. What am I?
I am black when you buy me, red when you use me. When I turn white, you know it's time to throw me away. What am I?
The warmer I am the fresher I am.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic