Indiana Expeditions with Rick Crosslin / Episode 203: The Science of Sound (Physical Science)
February 19, 2009
Do you like making music or making noise - or both? Host Rick Crosslin takes a trip into the amazing world of sound, the energy that helps us communicate, keeps us entertained and even provides life-saving warnings. But have you ever seen sound? How can you hear under water? And if you put your ear to the ground, will you get more than earful of dirt?