SOUND WAVES

It is the material that sound waves can travel through.

• medium

• media

It is the highness or lowness of a sound.

• frequency

• pitch

• timbre

Bending of waves around an object (such as through a doorway)

• sound
• diffract
• pitch
• volume

Tags

NGSS.MS-PS4-2

A disturbance that travels through a medium as a longitudinal wave

• sound
• wavelength
• pitch
• frequency

Tags

NGSS.MS-PS4-1

travels through solids fastest because the molecules are closer together

• speed of sound
• wavelength
• frequency
• amplitude

Tags

NGSS.MS-PS4-2

The number of wavelengths that pass a point each second

• frequency
• wavelength
• pitch
• amplitude

A reflected sound wave

• frequency
• pitch
• echo
• rarefaction

Tags

NGSS.MS-PS4-2

Which of the following would you hear as a low pitched sound? 

• sound wave with a frequency of 50 Hz
• sound wave with frequency of 10,000 Hz
• sound wave with an intensity of 10 dB
• sound wave with an intensity of 100 dB

If a wave is traveling at 260 m/s and has a wavelength of 0.8 m/s, what is its frequency?

• 208 Hz
• 325 Hz
• 430 Hz
• 160 Hz

Tags

NGSS.HS-PS4-1

As the fire truck approached Mary, the pitch of the siren got higher. Once the fire truck passed and moved away, the siren's pitch got lower. This change in pitch is because of a change in the sound wave's

• concussion. 
• amplitude. 
• reflection.
• frequency.