What did the dad say when the boy asked him to explain the solar eclipse to him?

How do scientists freshen their breath?

Why do biologists look forward to casual Fridays?

What do you call stolen cheese?

In football math, what is a quarterback worth more than?

What does the ghost say when she greets her boyfriend?

Knock knock. Who's there? Spell. Spell who?

What are a teacher's least favorite words to hear every summer?

Why did the calf hate his school picture?

What do you call a pig with no clothes on?

What did the bread say when he proposed to his girlfriend?

What makes a glow worm glow?

Where do catchers sit at lunch?

Why did the cat go to medical school?

Why did the mountain ace its math test?