Answer:
You will always find me in the past. I can be created in the present, but the future can never taint me. What am I?
As a state in the USA, I am round on both sides and high in the middle. What am I?
I am a mountain at night, meadow at day. What am I?
I am in the middle of water but am not an island.
I am a protector. I sit on a bridge. One person can see right through me, while others wonder what I hide. What am I?
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