Answer:
When I point up, it's bright. When I point down, it's dark. What am I?
Skirts for men.
Without me everyone would lose their head.
I build up castles. I tear down mountains. I make some men blind, I help others to see. What am I?
Why are there no living cats on Mars?
No matter how little or how much you use me, you change me every month.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic