Unit 3 Sound: Practice Test

A ____________ carries sound energy from one place to another.

• crest

• trough

• soundwave

The low point in a soundwave is called the _________?

• crest

• trough

• frequency

The highpoint of a soundwave is called the ______________?

• crest

• trough

• frequency

The _________ is how high or low a sound is heard.

• decibel

• pitch

• soundwave

Frequency is the number of crests and troughs in a sound wave.

• true

• false

Sound travels faster through air than solid matter.

• true

• false

Sound travels the fastest through which medium?

• solid

• liquid

• gas

What is the unit of measure called to measure the intensity of sound?

• pitch

• soundwave

• decibel

Which is NOT one of the 3 major parts of the ear?

• eardrum

• outer ear

• inner ear

Which is the first step in the hearing process?

• The cochlea vibrates and sends a signal to the auditory nerve.

• Sound enters the outer ear.

• The brain receives a message and recognizes the sound.