Sound Unit Review

Front

How does an echo occur?

Back

By sound waves bouncing off surfaces

Front

What is a longitudinal wave?

Back

A wave in which the vibration is in the same direction as that in which the wave is traveling; sound waves are an example.

Front

What is a compression wave?

Back

A type of wave where particles are pushed together, creating areas of high pressure.

Front

Which factor does NOT affect the pitch of a sound?

Back

Temperature does not affect the pitch of a sound.

Front

How does sound travel through air?

Back

Sound travels through air particles bumping into each other.

Front

What is sound?

Back

Sound is a type of energy made by vibrations.

Front

What is pitch?

Back

Pitch is how high or low a sound is.

Front

What is frequency?

Back

Frequency is the number of waves that pass a point in one second.

Front

What is amplitude?

Back

Amplitude is the height of a wave, which determines the loudness of the sound.

Front

What is a medium?

Back

A medium is the substance through which sound travels, such as air, water, or solids.