Chapter 6 Practice Test

Front

Sound waves are

Back

longitudinal

Front

A substance through which a sound travels through is a

Back

medium

Front

The back and forth motion of particles is

Back

vibration

Front

The pitch of a sound wave depends on

Back

the frequency of a wave

Front

The speed of a sound wave depends on the type of medium it's traveling through. Options: true, false

Back

true

Front

The frequency of sound waves heard by humans is

Back

20 Hz to 20,000 Hz

Front

The unit to measure loudness is

Back

Decibels (dB)

Front

Do thicker rubber band "strings" sound higher or lower in pitch than thinner ones?

Back

lower

Front

Do tighter strings sound higher or lower in pitch than looser ones?

Back

higher

Front

Do shorter strings sound higher or lower in pitch than longer ones?

Back

higher