You and your father inspect an empty house with the hopes of buying it. You walk through the rooms talking to one another, and you notice that your voices and footsteps are echoing in the big, empty house. What causes the echo?

sound waves reflecting off smooth, flat surfaces throughout the house

sound waves moving around the large rooms

sound waves moving slowly through air

sound waves refracting around corners in the empty rooms

Cletus wants to make ear protectors for people who work around loud jet engines at Hartsfield Airport in Atlanta. Which of the following materials should he experiment with for the best results?

a material that transmits sound

a material that amplifies sound

After the train passed, the pitch of the train whistle became lower. This change in sound would be represented by what change in the diagram above?

The distance represented by C would increase.

The distance represented by C would decrease.

The distance represented by D would increase.

The distance represented by D would decrease.

Which of the following would you hear as a low pitched sound?

sound wave with a frequency of 50 Hz

sound wave with frequency of 10,000 Hz

sound wave with an intensity of 10 dB

sound wave with an intensity of 100 dB

What is the Doppler Effect

Where the apparent wavelength of a wave is shifted due to the source moving

Where the wavelength of a wave is shifted due to the source moving

When a wave is shifted when a body pushes the wave

Sound Waves

Authored by Estelle McNaught

Physics, Science

10th - 12th Grade

NGSS covered

Used 3K+ times

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20 questions

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MULTIPLE CHOICE QUESTION

20 sec • 1 pt

A disturbance that travels through a medium as a longitudinal wave

sound

wavelength

pitch

frequency

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Bending of waves around an object (such as through a doorway)

sound

diffract

pitch

volume

Tags

NGSS.MS-PS4-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

travels through solids fastest because the molecules are closer together

speed of sound

wavelength

frequency

amplitude

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The number of wavelengths that pass a point each second

frequency

wavelength

pitch

amplitude

Tags

NGSS.HS-PS4-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Material (matter) through which a wave travels

medium

Doppler Effect

sound

pitch

Tags

NGSS.MS-PS4-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How high or low a sound is; depends on the frequency (greater frequency= higher pitch)

pitch

frequency

sound

medium

Tags

NGSS.HS-PS4-1

MULTIPLE CHOICE QUESTION

1 min • 12 pts

A wave in which the vibration is in the same direction as that in which the wave is traveling; sound waves

longitudinal wave

ocean wave

transverse wave

mechanical wave

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Sound Waves

A disturbance that travels through a medium as a longitudinal wave

Bending of waves around an object (such as through a doorway)

travels through solids fastest because the molecules are closer together

The number of wavelengths that pass a point each second

Material (matter) through which a wave travels

How high or low a sound is; depends on the frequency (greater frequency= higher pitch)

A wave in which the vibration is in the same direction as that in which the wave is traveling; sound waves

The part of a longitudinal wave where the particles of the medium are close together.

A part in a longitudinal wave where the particles are spread apart

A disturbance that transfers energy from one place to another without transferring energy

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