Why did the comedian keep telling jokes about chemistry?

Why can't your hand be 12 inches long?

Why did the mountain ace its math test?

A book just fell on my head.

What do you call a belt made of clocks?

Why does the sun love to go back to school?

Why do ballerinas always stay out late?

How does NASA organize a company party?

What did the puppy call his dad's best friend?

Why do orcas love to gossip?

Why don't basketball players vacation well?

What do clouds do as soon as they make money?

Which gaming system is always in a good mood?

Why did the bird sell so much at the flea market?

What did the shower say to the toilet?