DC -- sound

A disturbance of matter that is transmitted from its source outward.

• Light

• Heat

• Node

• Sound

Tags

NGSS.HS-PS4-1

Compressions and rarefactions move outward as ____ pressure waves.

• nodal

• transverse

• longitudinal

• vibrational

The amplitude of a sound wave _____ with distance from its source.

• Increases

• Decreases

• Remains constant

Tags

NGSS.HS-PS4-5

How does the human ear perceive frequency of a sound wave?

• Volume

• Pitch

• Wavelength

• Intensity

Tags

NGSS.HS-PS4-1

Which wave property is not directly sensed by the human ear, but is observed indirectly by the size of the instrument (tuba vs piccolo)?

• pitch

• sound

• wavelength

• frequency

Tags

NGSS.HS-PS4-1

The speed of sound is greater in which medium?

• solids

• liquids

• gases

Tags

NGSS.HS-PS4-1

The speed of sound is affected by _____ in a given medium.

• wavelength

• pressure

• temperature

• shear forces

Tags

NGSS.HS-PS4-1

One of the more important properties of sound is that its speed is nearly independent of _____ .

• frequency

• harmonic motion

• pressure

• temperature

Tags

NGSS.HS-PS4-1

Because they travel at the same speed in a given medium, low-frequency sounds must have a greater ____ than high-frequency sounds.

• pitch

• wavelength

• rarefaction

• harmonic node

Tags

NGSS.HS-PS4-1

You observe two musical instruments that you cannot identify. One plays high-pitch sounds and the other plays low-pitch sounds. How could you determine which is which without hearing either of them play?

• Compare the densities

• Compare the surface color

• Compare the sizes of the instrument

• Compare the material they are made of

Tags

NGSS.HS-PS4-1