Sound Waves

Front

What is the feature of sound determined by amplitude?

Back

Loudness

Front

Frequency of waves is measured in __________.

Back

hertz

Front

Sound waves travel as __________ waves.

Back

longitudinal

Front

What is a disturbance that carries energy such as sound or light?

Back

sound wave

Front

What is something natural that sound cannot travel through?

Back

outer Space

Front

What is the term for the number of vibrations per second in a sound wave?

Back

Frequency

Front

What is the unit of measurement for loudness?

Back

decibels (dB)

Front

What type of wave is a sound wave?

Back

Longitudinal wave

Front

What is the relationship between amplitude and loudness?

Back

Higher amplitude means louder sound.

Front

What happens to sound waves as they travel through different mediums?

Back

They can change speed and direction.