How would a person measure the wavelength on this sound wave?

beginning of illustration to the end

The speed of a sound wave depends on

both air temperature and medium

What best describes the Doppler effect?

An apparent change in frequency of a wave due to the relative motion between a wave source and an observer

An apparent change in the amplitude of a wave due to the relative motion between a wave source and an observer.

When an airplane is flying above, you hear the sound of the plane further back than where the plane actually is in the air. Why is this?

The speed of the plane is faster than the speed of the sound.

The frequency of the plane is higher than the frequency of the sound.

The frequency of the sound is higher than the frequency of the plane.

The speed of the sound is faster than the speed of the plane.

How is the frequency of the sound waves in front of the moving source different from the frequency of the sound waves behind the moving source.

The frequency is higher in front of the source than behind

The frequency is lower in front of the source than behind

The frequency is the same in front as it is behind

Impossible to tell without measuring

Which list below includes ONLY mechanical waves?

seismic waves, sound waves, and water waves

radio waves, sound waves, waves in a rope

infrared rays, ultraviolet rays, visible light

seismic waves, microwaves and x-rays

An undersea earthquake centered 1000 miles off the coast of Hawaii creates a tsunami headed toward the Hawaiian coast. This tsunami encounters a fishing boat 500 miles from the coast. What will happen to the boat?

The boat will bob up and down as the wave passes beneath it, but the wave will not carry the boat either toward or away from shore.

The tsunami will pick up the boat at its current position and carry the boat on its crest all the way into the coast.

The tsunami will carry the boat toward the coast for many miles, but because the boat is so large, the wave canot carry it all the way to shore.

The boat will be lifted up as the wave passes beneath it, and then be pushed many miles from the coast.

The students in the diagram are communicating with cans and string. Which is the most likely explanation of how the students can hear and communicate using the objects?

A mechanical wave transfers sound through the string.

Sound bounces off the can and echoes.

Sound travels through the string as an electromagnetic wave.

A transverse wave transfers sound through the string.

As any type of wave travels through a medium, what is true about the particles in the medium?

The particles of the medium are not carried along with the wave.

The particles of the medium move in a straight line and are carried with the wave.

the particles of the medium move up and down and are carried with the wave.

the particles of the medium move back and forth and are carried with the wave.

Sound Waves Review

Authored by AMY POPE

Science

8th Grade

NGSS covered

Used 99+ times

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Content View

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50 questions

Show all answers

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The number of wavelengths that pass a point each second

frequency

wavelength

pitch

amplitude

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 • 12 pts

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

rarefaction

compression

crest

trough

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

compression

rarefaction

crest

trough

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If distance C on the diagram increased, what would happen to the pitch?

The pitch would be louder.

The pitch would be softer.

The pitch would be higher.

The pitch would be lower.

Tags

NGSS.MS-PS4-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does the motion of the source of a sound cause?

resonance

shock waves

the Doppler effect

echolocation

Tags

NGSS.MS-PS4-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When a sound is louder what measurement gets bigger?

frequency

amplitude

wavelength

crest

Tags

NGSS.MS-PS4-1

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Sound Waves Review

The number of wavelengths that pass a point each second

Material (matter) through which a wave travels

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

If distance C on the diagram increased, what would happen to the pitch?

What does the motion of the source of a sound cause?

When a sound is louder what measurement gets bigger?

What is a natural vacuum that sound cannot travel through?

Which type of wave is pictured here?

If the distance represented by the letter A were increased, how would it change the way the sound was heard?

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