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Monitor Noise Level in the Classroom
Calmness Counter
http://www.ictgames.com/calmCounter.html
Traffic Light Flash File
http://www.primaryresources.co.uk/other/flash/traffic.swf
Bouncy Balls
http://neave.com/bouncy-balls/
App - Too Noisy (FREE)
App - Digital Sound Meter (FREE)
https://itunes.apple.com/us/app/digital-sound-meter-free/id333185568?mt=8
Decibel 10th (FREE)
https://itunes.apple.com/us/app/decibel-10th/id448155923
App - SoundMeter (19.99)