Here’s an easy-to-do experiment using only a balloon and a hex nut from the hardware store. This is the perfect science of sound activity because kids will love it and parents will be left shouting, “STOP!” Be sure to buy enough supplies for all of your friends. This is also the perfect Halloween experiment for making spooky sounds.
Find out what is causing the “Screams” here: http://www.stevespanglerscience.com/lab/experiments/screaming-balloon
Want more experiments like this? Check out http://www.stevespanglerscience.com/product/naked-eggs-and-flying-potatoes
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