Nature of Sound Waves Sound is a wave that is created by ____________________ and propagated through a __________________ from one location to another. Type of Wave: ________________________ A sound wave consists of a repeating pattern of high-pressure and low-pressure regions moving through a medium Sound needs a ___________ and a ______________ Like any wave, the speed of a sound wave refers to how fast the disturbance is passed from particle to particle. Anatomy of a Wave: