Sound - ch 13

A cube-shaped room with hard, smooth walls and floors will have __________? reverberation.

 What is sonar a acronym from ?

Sound needs a medium to travel.

What is frequency measured in?

The main parts to the ear include...

Resonance occurs only in musical instruments and the human voice.

What animal uses infrasound for communication?

The particular sound of an instrument and its clarity is its ____?

Acoustic energy HAS to be heard to be sound

What is the average human hearing range?

 Infrasonic waves are sound waves of 

 Ultrasonic waves are sound waves that have frequencies _______ the audible range to humans. 

What wave phenomena causes beats to form?

Where are the crests on the sound waves?

Sound waves can pass through.....

The higher a sound’s frequency is, the higher its pitch

What is the response of your ear to the intensity of a sound wave.?

The trough of the sound wave is the point of lowest particle density, or....

Sonar started because of what event?

Sound is a natural phenomenon of ___?

Bats and dolphins use _____ to find food or predators.

Ultrasonic waves are how affected by the media that they move through?

Are sound waves longitudinal or transverse?