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Photograph provided courtesy of Steve Albers
How Far Away Is The Thunderstorm?
It takes 3 seconds for sound to travel 1 kilometer (5 seconds to travel 1
mile). The next time a thunderstorm comes
your way, look out your bedroom window and watch for
lightning. When you see a
lightning flash
count the number of seconds until you hear thunder. Have your parents
help you figure out how far away the lightning is.
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