Sound waves travel fastest through a ______

______ is sound with frequencies too low for human hearing.

______ is determined by human perception and is a physical

response to the intensity of sound.

The speed of sound depends on __________and the

___________ its traveling through.

An area of a sound wave where particles are squeezed together

Part of the ear that has three bones that amplify a sound wave

________ contains the cochlea which vibrate and sends auditory nerve impulses to the

brain

The study of sound is know as acoustics.

A _____ is a hollow chamber that amplifies sound when air inside vibrates.

The use of underwater sound waves to detect objects is known as

Every instrument has a natural ______ at which it will vibrate

High frequency sound waves used in medicine, for example during a pregnancy, is called:

Sound deliberately set in a pattern is