Sound and waves

Where would you be traveling if there was complete silence?

• outer space

• water

• at the top of a mountain

• in a solid wood room

A guitarist strums two strings on a guitar. The first string vibrates more quickly than the second string. What is true about the pitch of the strings?

• The first string has a higher pitch than the second string

• The second string has a higher pitch than the first string

• Both strings have a high pitch.

• Both strings have a low pitch

Tags

NGSS.HS-PS4-1

What happens when waves move across the surface of deep water?

• The water moves forward

• The forward moves backwards

• The water moves up and down

• The water does not move

Tags

NGSS.MS-PS4-2

What is amplitude?

• The distance from the middle point of a wave to the wavelength.

• the distance from the middle of the wave to the crest, or the middle of the wave to the trough.

• the distance from one crest to the next crest.

• the distance from one trough to the next trough

Tags

NGSS.MS-PS4-1

The highness or lowness of a sound (but not how quiet or loud the sound is).

• amplitude

• volume

• pitch

• wave

How quiet or loud a sound is.

• pitch

• sound

• volume

• wave

Tags

NGSS.MS-PS4-1

is the term scientists use to describe how ‘squished together’ or ‘spread out’ a wave is.

• wave

• wavelength

• crest

• trough

Tags

NGSS.HS-PS4-1

The back-and-forth movement of something.

• waves

• wavelength

• oscilloscope

• vibrations

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

A device that shows sound waves like a graph, in a sideways view.

• waves

• vacuum pump

• oscilloscope

• vibrations

The traveling movement created by a vibration in water or air.

• waves

• vibrations

• vacuum pump

• volume

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2