Sound Waves

One important characteristic of sound waves is that they are ___________________ waves.

• mechanical

• short

• ultraviolet

• primary

Tags

NGSS.MS-PS4-2

Sound waves must travel through ___________________.

• air

• a medium

• an outward area

• a short

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

What is the source of a sound wave?

• Electricity

• Vibration

• Light waves

• Tiny nuclear explosions

Tags

NGSS.MS-PS4-2

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.

Tags

NGSS.MS-PS4-2

What type of waves are sound waves?

• Transverse waves

• Longitudinal waves

• Surface waves

• Electromagnetic waves

Tags

NGSS.MS-PS4-2

What happens to sound waves when they encounter a solid barrier?

• They speed up.

• They stop completely.

• They can be reflected or absorbed.

• They change into light waves.

Tags

NGSS.MS-PS4-2

What is the relationship between amplitude and volume?

• Directly proportional

• Inversely proportional

• No relationship

• Only related at high frequencies

Tags

NGSS.MS-PS4-1

In which medium would sound travel the fastest?

• Air

• Water

• Steel

• Vacuum

How does the medium affect the speed of sound?

• Sound travels faster in solids than in gases

• Sound travels faster in gases than in solids

• The medium does not affect the speed of sound

• Sound cannot travel through solids

Tags

NGSS.MS-PS4-2