The sound might be new to you, but it’s just background noise to the fans who enjoy World Cup soccer. The vuvuzela is a stadium horn that comes from South Africa. Fans blow the horn during soccer (football) matches to cheer on their team. I have to admit, the word vuvuzela wasn’t even in my vocabulary a few weeks ago, and now all the kids on our soccer team are talking about it. By itself, the sound from a single vuvuzela almost sounds like a trumpet, but the sound we hear on television is more like an annoying buzz or a swarm of angry bees. There’s even a Vuvuzela iPhone App to recreate the sound.

However, any science teacher who has ever done the Screaming Balloon Activity notices the similarity immediately. Find a few balloons and some hex nuts and you can make your own vuvuzela sound or check out the video below. We know… it’s not a real vuvuzela… but the sound is similar on a small-scale and the result is the same – totally annoying!

[youtube]http://www.youtube.com/watch?v=AAlosS5AcOI[/youtube]

The original Screaming Balloon Activity…

[youtube]http://www.youtube.com/watch?v=aAMW_3kWUhE[/youtube]

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