Hooked on Science: Make a balloon scream

Did you know you can use science to create the spookiest Halloween ever at your house? Using a few materials from around the house you can make a balloon scream.

Materials

* Balloon

* Hex nut

Instructions

STEP 1: Push a hex nut through the small opening of the balloon.

STEP 2: Blow up the balloon and tie off the opening.

STEP 3: Place the tied-off part of the balloon in the palm of your right hand, squeeze the balloon, and then move your hand in a circular motion.

Explanation

The shape of the hex nut vibrated the walls of the balloon creating the strange noise.

Jason Lindsey is a Science Outreach Educator with Hooked on Science. Check out his website "Hooked On Science" at hookedonscience.org for webcasts and experiments that might get you hooked on science. Send him your science questions at jlindsey@hookedonscience.org. More science experiments can be found at www.semissourian.com