Sound Waves

The number of wavelengths that pass a point each second

• frequency
• wavelength
• pitch
• amplitude

Tags

NGSS.HS-PS4-1

How high or low a sound is; depends on the frequency (greater frequency= higher _____________)

• pitch

• frequency

• sound

• medium

Tags

NGSS.HS-PS4-1

When the sound source moves, the frequency changes

ex. police car siren sounding lower pitch after the car passes

• pitch

• frequency

• Doppler Effect

• medium

Tags

NGSS.MS-PS4-1

The part of a longitudinal wave where the particles of the medium are close together.

• rarefaction
• compression
• crest
• trough

A part in a longitudinal wave where the particles are spread apart

• compression
• rarefaction
• crest
• trough

A wave that requires a medium through which to travel

• mechanical wave
• chemical wave
• electromagnetic wave
• pitch

Tags

NGSS.MS-PS4-2

Sound waves are what type of wave?

• Transverse

• Longitudinal

• Electromagnetic

If the distance represented by the letter A were increased, how would it change the way the sound was heard?

• The sound would be softer

• The sound would be louder.

Tags

NGSS.MS-PS4-1

True or False: Sound travels better through solids than through liquids

• True 
• False

Tags

NGSS.MS-PS4-2

The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-

• absorbed
• stopped
• reflected
• refracted

Tags

NGSS.MS-PS4-2