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Description

Experiment: Screaming Balloons
What would life be without spooky sounds? Here's an easy‐to‐do experiment using only a
balloon and a hex nut from the hardware store. Be sure to buy enough supplies for all of your
party guests because everyone is going to want a screaming balloon!

Resources

You’ll need good quality latex balloons (9" to 11" in size) and some 1/4" hex nuts from the
hardware store.

Instructions

Squeeze the hex nut through the mouth of the balloon. Make sure that the hex nut goes all the
way into the balloon so that there is no danger of it being sucked out while blowing up the
balloon. Blow up the balloon, but be careful not to over inflate the balloon as it will easily burst.
Tie off the balloon and you’re ready to go.
Grip the balloon at the stem end as you would a bowling ball. The neck of the balloon will be in
your palm and your fingers and thumb will extend down the sides of the balloon. While holding
the balloon, palm down, swirl it in a circular motion. The hex nut may bounce around at first,
but it will soon begin to roll around the inside of the balloon. What is that sound? Could the
balloon be screaming? Once the hex nut begins to spin, use your other hand to stabilize the
balloon. Your hex nut should continue to spin for 10 seconds or more

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