Science Jokes Mr. Conner Blackman High School Jokes 1 1. What has holes, but still holds water? sponge Joke 2 What’ the difference between a friendly dog and a marine biologist? One’s a tail wagger; the other’s a whale tagger Joke 3 What is the only thing that you can put in a bucket that will make it lighter? A hole Joke 3 There are three kinds of mathematicians: those who can count and those who cannot. Joke 4 Why did the chicken cross the playground? To get to the other Slide Joke 5 How do cells communicate with each other? By cellular phone