Review- Sound Waves

This is what you get when sound waves are reflected, or bounce back, off of a hard surface.

• Amplitude
• Pitch
• Volume
• Echo

If you want to change the pitch of a sound, you have to change the ___

• frequency
• amplitude
• speed
• volume

Tags

NGSS.HS-PS4-1

This is the unit used to measure the volume of a sound. 

• Decibel
• Medium
• Vibration
• Oscilloscope

The speed of a sound wave depends on

• the frequency
• the medium
• both air temperature and medium
• the air temperature

The Doppler effect can cause an apparent change in...

• loudness
• intensity
• pitch
• reasonance

Tags

NGSS.HS-PS4-1

As a sound source approaches and then moves past a stationary observer, the observer will hear

• a steady rise in pitch
• a sudden drop in pitch
• a drop in pitch, then a rise in pitch
• a rise in pitch, then a drop in pitch

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

• True 
• False

Tags

NGSS.MS-PS4-2

What is a pitch?

• highness or lowness of a sound
• the intensity of a vibration
• the amplitude of the sound wave
• volume of sound

Tags

NGSS.HS-PS4-1

_____ is a method of locating things underwater using echolocation.

• trees
• solar
• sonar
• turpentine

Tags

NGSS.MS-PS4-2

Bats use ________ TO LOCATE MOSQUITOES IN THE AIR.

• solar
• ecology
• echolocation
• evolution