Mechanical Waves and Sound

Which letter(s) represent the crest of the wave?

• A

• B & D

• B & F

• F

Tags

NGSS.MS-PS4-1

Which of the following can sound travel through?

• solid

• liquid

• gas

• all of the above

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

True or False: Sound needs a medium.

• True

• False

Areas of increased pressure on a sound wave are known as a ----

• Rarefaction

• Compression

• Frequency

• Amplitude

Tags

NGSS.MS-PS4-1

Why do sound waves need a medium to travel?

• They need to bounce off objects.

• They need a medium to carry the vibration.

• They cannot travel in a vacuum.

• Both B and C are correct.

What type of waves are sound waves?

• Transverse waves

• Longitudinal waves

• Surface waves

• Electromagnetic waves

In which medium would sound travel the fastest?

• Air

• Water

• Steel

• Vacuum

Tags

NGSS.MS-PS4-2

The distance from the beginning of one compression to the beginning of the next compression is called a -----

• Rarefaction

• Frequency

• Wavelength

• Compression

Tags

NGSS.MS-PS4-1

Spread out areas or areas of decreased pressure on a sound wave are known as a ---

• Rarefaction

• Amplitude

• Compression

• Hertz

Sound waves travel the fastest through ---

• Liquids

• Gases

• Solids

Tags

NGSS.MS-PS4-2