Interactive Sound Ruler on Noisy Planet's Website
From National Institute for Deafness and Other Communication Disorders
Did you know that many everyday sounds can potentially damage your hearing? Check out the Noisy Planet's Interactive Sound Ruler to help you determine: How loud is too loud? Using the ruler, you can click on a decibel level to see what's safe and what's not. Don't forget that exposure to noise at or above 85 decibels over time can put you at risk for noise-induced hearing loss. The louder the sound, the shorter the amount of time needed to cause hearing loss. The sound ruler is a great educational activity for classrooms and is also available in Spanish: Escala interactiva de ruidos: ¿Cuándo el ruido es demasiado ruido?
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