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 ...

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 ...

Noise pollution is nothing new: An 1856 editorial in London’s Times complained of the city’s “noisy, dizzy, scatterbrained atmosphere,” and in 1866, American writer Nathaniel Hawthorne groused that ...

Share on Pinterest the_guitar_mann/Getty Images. Pollution occurs when a contaminant enters the environment, causing undesirable effects. There are several types of pollution, including: air pollution ...

Educators can choose from a variety of paid and free noise meter apps to help measure classroom sound levels and keep them in check. The visuals in the apps range from stoplights and bouncing balls to ...