Answer:
I am like thunder in your cranium
I go inside boots and outside shoes. What am I?
I'm simple for a few people, but hard for them to hear. I live inside of secrets and bring people's worst fears. What am I?
I am good at concealing what's real and hide what's true. Sometimes I bring out the courage in you!
The dirtier I get, the whiter I am. What am I?
As round as an apple. As deep as a cup. All the king's horses can't pull it up.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic