Sound

Sound is ____________________

• a wave

• a trough

• a crest

• something that does not happen unless there is someone there to hear it.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Sound does not exist in space because there is not any air or water?

• True

• False

For there to be sound, there has to be a medium for the waves to travel through, such as air or water

• True

• False

Tags

NGSS.MS-PS4-2

Sound is a

• short wave

• longitudinal wave

• pulsating wave

• intermittent wave

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Sound waves are also known as

• crest waves

• trough waves

• light waves

• pressure waves

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

A pressure wave _____________________

• causes air to compress

• causes air to expand

• causes air to compress and expand

• causes air to be still

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Two types of waves are?

• crest waves and trough waves

• High pressure and low pressure waves

• trough waves and intermittent waves

• intermittent and pulsing waves

Electronics, such as a microphone, work by

• being stiff and letting waves bounce off of them

• being flexible and not letting the waves bounce off of them

• detecting changes in pressure

Air vibrating back and forth more times per second will ______________

• have a higher pitch

• have a lower pitch

• be silent

To have a lower sound _________________________

• air will vibrate many times per second

• air will vibrate few times per second

• air will not move