Science Sound Waves

The wavelength of a sound tells about its __________ .

• beauty

• crest

• pitch

• amplitude

Sound is __________ .

• a hot dog

• a vibration

• something that is easy to see.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The boy can tell the girl is talking, but he can't hear the words clearly. They decide to use a pattern of sound. What pattern do you think will make a good code?

• short and long taps like morse code

• high pitch and low pitch sounds

• clapping hands and snapping fingers

• whistles and bells

Sound waves are similar to water waves.

• true

• false

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The pictures below show two different sounds, seen through an oscilloscope. One of them is the sound of a flute (a high-pitched sound), and the other is the sound of a tuba (a low-pitched sound). Which is the tuba? Which is the flute?

• A is tuba; B is flute

• both are flute

• A is flute; B is tuba

• both are tuba

Tags

NGSS.MS-PS4-1

If a vibration goes back and forth rapidly (fast), will it have a short wavelength or a long wavelength?

• long

• short

Tags

NGSS.MS-PS4-1

Low frequency = _______ Pitch

• Low

• High

Tags

NGSS.MS-PS4-1

High frequency = _______ Pitch

• High

• Low

Tags

NGSS.MS-PS4-1

Which wavelength would have the highest pitch like a flute or whistle?

• High Frequency Wavelength

• Low frequency Wavelength

What is the speed of sound in air at room temperature?

• 343 m/s

• 300 m/s

• 1500 m/s

• 1200 m/s

Tags

NGSS.HS-PS4-1