Properties of Sound Waves ม5

As sound waves travel through air, they cause air molecules to ___.

• vibrate

• bend

• lose energy

• be absorbed

Tags

NGSS.MS-PS4-2

What do sound waves need to travel through?

• a medium

• a light

• a wave

• a vacuum

Tags

NGSS.MS-PS4-2

Sound waves can travel through all of the following EXCEPT

• a vacuum (empty space)

• air

• water

• steel

Tags

NGSS.MS-PS4-2

The pressed together regions of particles in a sound wave are called ____.

• rarefactions

• compressions

• frequencies

• wavelengths

Tags

NGSS.HS-PS4-5

As the wavelength of sound increases, the frequency ___.

• increases

• decreases

• stays the same

• is higher pitched

Tags

NGSS.HS-PS4-1

If the wavelength of a sound wave is increased, what would happen to the sound made by this wave?

• It would have a lower pitch

• It would get quieter

• It would get louder

• It would have a higher pitch

If the amplitude of a sound wave is decreased, what would happen to the sound made by this wave?

• It would have a lower pitch

• It would get quieter

• It would get louder

• It would have a higher pitch

If the amplitude of a sound wave is increased, what would happen to the sound made by this wave?

• It would have a lower pitch

• It would get softer

• It would get louder

• It would have a higher pitch

Tags

NGSS.MS-PS4-1

Which of the following is the unit for measuring loudness of sounds?

• decibel

• ampere

• coulomb

• joule

What can you tell about this object's motion?

• Moving to the North (up).
• Moving to the South (down). 
• Moving to the West (left). 
• Moving to the East (right).