Answer:
What did Physics say to History when they are arguing?
Where do cows go to dance?
What has many keys, but can't even open a single door?
What did the 3 little pigs do as they were running away from the big bad wolf who tried to destroy their houses?
What did the tiger say after eating Jimmy Kimmel and Ellen De Generes?
Iβm hard as a rock and as light as a feather. Iβm passed on to one another. Poor people need me and rich people have me.