Waves & Sound

Approximately how fast does sound travel in air?

• 3.4 m/s

• 34 m/s

• 340 m/s

• 3,400 m/s

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-5

If you increase the amplitude of a sound,

(select all that apply)

• it will move faster.

• it will get louder.

• its pitch (note) will rise.

• its wavelength will change.

Tags

NGSS.MS-PS4-1

If you increase the frequency of a sound,

(select all that apply)

• it will move faster.

• it will get louder.

• its pitch (note) will rise.

• its wavelength will change.

Tags

NGSS.HS-PS4-1

The pitch (note) of a sound wave is most closely associated with its

• speed

• amplitude

• frequency

Tags

NGSS.HS-PS4-1

The loudness of a sound wave is most closely associated with its

• speed

• amplitude

• frequency

Tags

NGSS.MS-PS4-1

To change the speed of sound, you could

(select all that apply)

• change the amplitude of the sound

• change the frequency of the sound

• change the wavelength of the sound

• change the temperature of the room

Tags

NGSS.HS-PS4-1

The speed of sound in water is _____ than the speed of sound in air.

• much slower

• about the same

• much faster

Tags

NGSS.HS-PS4-1

A 440 Hz note and a 444 Hz note are sounded together. What will you hear?

• Both the 440 Hz and 444 Hz note beating at 4 Hz.

• Both the 440 Hz and 444 Hz note with no beating.

• A single 442 Hz note beating at 4 Hz.

• A single 442 Hz note with no beating.

• A single 4 Hz note.

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-5

A 220 Hz note and a 280 Hz note are sounded together. What will you hear?

• Both the 220 Hz and 280 Hz note beating at 60 Hz.

• Both the 220 Hz and 280 Hz note with no beating.

• A single 250 Hz note beating at 60 Hz.

• A single 250 Hz note with no beating.

• A single 60 Hz note.

Which is an example of simple harmonic motion?

• Mr. Pugh riding a unicycle.

• Mr. Bazzano swinging on a swing.

• Mr. Latimer jumping on a trampoline.

• Mr. Gottfried jumping rope.