Sound Waves

Front

What is the material (matter) through which a wave travels?

Back

Medium

Front

What do we call a reflected sound wave?

Back

Echo

Front

What is a disturbance that transfers energy from one place to another without transferring matter?

Back

Wave

Front

What type of wave has vibrations in the same direction as the wave is traveling, such as sound waves?

Back

Longitudinal wave

Front

What is the part of a longitudinal wave where the particles of the medium are close together?

Back

Compression

Front

What is the part of a longitudinal wave where the particles of the medium are spread apart?

Back

Rarefaction

Front

What is the term for the number of waves that pass a point in one second?

Back

Frequency

Front

What is the term for how high or low a sound is perceived?

Back

Pitch

Front

What is the phenomenon called when the frequency of a wave changes due to the motion of the source or observer?

Back

Doppler Effect

Front

What is the highest point of a transverse wave called?

Back

Crest