Sound Review

Match it! Select the correct answer from the pull down...Good luck!

An area of low pressure or low density is called what?

The threshold of hearing occurs at what decibel level?

Sound that has a frequency lower than 20Hz is called what?

In what medium does sound travel the fastest?

What is the lowest frequency of vibration, or first harmonic, in a musical tone?

How do standing waves appear?

Sound that has a frequency higher than 20,000Hz is called what?

What is another word used to describe the loudness of a sound?