7th graders
Why don't seagulls fly over the bay? Because then they would be bagels.

What do you get when you cross China with Chinese? The little country off the island.--Leah Flynn and Sara Gray

Two atoms were walking the down the street and they ran into each other. The 1st one said "OH! I'm sorry! Are you ok?"
The 2nd one said "I'm fine I just lost a couple of electrons." The 1st one said "Are you sure?" The 2nd one replied "I'm 'positive'" - Leah McAlister