Sounds above 80 dB can cause hearing damage, and we should limit the exposure to prevent hearing loss. Decibel apps are a convenient way to measure volume fairly accurately with your phone. Our ...
In the classroom, decibel levels can gradually increase without us realizing it, until they begin to affect the atmosphere: more difficult communication, nervous irritation, reduced concentration, etc ...
Learning depends on listening. But classroom noise pollution is making hearing in the classroom harder. Finding simple and effective ways to dial down classroom noise levels can help increase focus ...
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