B. Burel

Change in the frequency of a sound wave that occurs when the sound source and the listener are in motion relative to each other. Example: a fire truck passing with its siren on.

Membrane stretching across the ear canal that vibrates when sound waves reach the middle ear.

A reflected sound wave.

Lowest natural frequency that is produced by a vibrating object, such as a string or a column of air.

The human perceptions of hopw much energy a sound wave carries.

A group of sounds that have been deliberately produced to make a regular pattern.

Frequencies at which an object will vibrate when struck or disturbed.

Multiples of the fundamental frequency.

How high or low a sound is.

Occurs when an object is made to vibrate at its natural frequencies by absorbing energy from a sound wave or other object vibrating at this frequency.

Repeated echos of sound.