Answer:
What did Physics say to History when they are arguing?
What's get sharp the more you use it
What rains at the north pole?
Some are clean and some are dirty, but all are meant to get a chuckle. Most like it, some takes offense from it.
What starts with a "T", ends with a "T", and has T in it?
I am carried by mad animals.
Funny
Animal
Difficult
Easy
Food
Kids
Logic
What am I?