Terms in this set (20)
vibrations that produce waves of energy that move through matter.
a back and forth motion that causes sound.
a longitudinal wave that is caused by vibrations and that travels through a material medium
a substance through which a wave can travel
anything that vibrates in a way that makes a sound, like a voice
How high or low a sound is
The number of complete waves that pass a given point in a certain amount of time
Unit of measurement for frequency and pitch
the loudness of a sound
How loud or soft a sound is perceived to be. Increase amplitude of wave and this increases.
unit used to measure sound intensity
the state of being stretched
the thickness, size, or capacity of something, especially as a standard measure, in particular.
the loudness or softness of a sound
speed of sound
The speed at which a sound wave travels through a given material
An observed change in the frequency of a wave when the source or observer is moving
the bouncing of sound off of a surface
the disappearance of a sound wave into a surface.
a reflected sound wave
the process of using reflected sound waves to find objects; used by animals such as bats