Hear Today, Gone Tomorrow
Dylan Maranda, Morgan Roff
Shaughnessy Elementary
Floor Location : J 128 L

Our project was on Ultrasonic Hearing and we were testing whether younger people could hear higher frequency sounds than older people. Our hypothesis was if someone is under 20 years of age than they can hear higher frequency sounds than someone who is over 20 years of age. We went to www.ultrasonic-ringtones.com which had various high frequency sounds ranging from 8kHz-22.4kHz. We then tested 10 people (5 males and 5 females) from various grades and ages with these sounds. Our conclusion was if someone is under 20 years of age than they can hear higher frequency sounds than someone who is over 20 years of age.