Sound Tubes

Introduction: The sound tubes are long rubbery cylinders, but when you twirl them, THEY MAKE SOUND?!? WHAT IS THIS MADNESS?!? well this madness is science.

Materials: Sound Tubes... that's it... not too expensive o3o

Procedure: You take the sound tube and twirl it in the air, and then, you can hear somewhat of a whistling sound, Where's it coming from? of course it's the tubes, you know that... but I think constantly asking questions with obvious answers builds some peoples self-esteen ouo

Scientific Principle: Bernoulli's principle is what's to do with this sound, this principle states "for an in viscid flow, an increase in the speed of the fluid occurs simultaneously with a decrease in pressure or a decrease in the fluid's potential energy." for those of you who don't speak physics, like me who had to ask his teacher

what this even meant, this basically says "The air flows through the tube, then goes

along it, and when it comes out, we hear the beautiful noise of a whistling pigeon

right outside our window that just won't stop whistling".

Safety Regulations: well... this project is pretty hard to mess up... to be honest, the

only thing you have to worry about is whacking yourself in the face with the tube.