Acoustical Society of America
Sound Measures
How loud is the class's hearing threshold? Using a sound level meter, the class members observe how the loudness of sound is affected by distance. Learners continue to study decibels by seeing how different sounds compare to each other...
Curated OER
TE Activity: Sound Line
Students investigate the decibel readings of various noises. They determine why high-level readings damage hearing. Students arrange sound from the lowest to highest decibel levels when they written on a piece of paper.
Rochester Institute of Technology
Artificial Hearing
Your sense of hearing depends upon tiny hairs deep inside your ear and if you lose these hairs, you lose your hearing. Here, groups explore hearing through the decibel measurement of common sounds. As a class, participants discuss...