Chapter 26 Sound Waves Quiz

This diagram shows two different ways to represent longitudinal waves.

Which letter corresponds to rarefaction in the waves?

• Z

• X

• W

• Y

Tags

NGSS.MS-PS4-1

Sound travels as

• transverse waves
• longitudinal waves
• seismic waves
• air waves

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Waves that need a medium to travel are called the _________________. This kind of waves cannot travel in a vacuum.

• Mechanical waves

• Electromagnetic waves

• seismic waves

• standing waves

As air particles are pushed together, they create a region of higher density and pressure in a longitudinal wave.  These areas are called:

• sound waves
• rarefactions
• compressions
• transverse wave

Sound travels at different speeds through different mediums.  Through which medium would your voice travel the fastest?

• Air on a cold winter morning
• Air on a hot summer afternoon
• A metal wall
• A pool

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Your __________ vibrate when you talk

• stomach
• lips
• ears
• vocal cords

Sound _____________ is subjective, changes person to person.

• intensity

• loudness

• wavelength

• frequency

This happens when two sound waves overlap, resulting in a combined amplitude (a louder sound):

• sonic boom
• sonar 
• interference
• resonance

A unit used to measure the intensity of a sound

• Hertz

• Decibel

• Decimal

• Sonar

The substance through which sound travels; this affects the speed at which sound travels

• liquid

• solid

• medium

• gas