NameDateClass

Sound ■ Adapted Test

Sound

Multiple Choice

Write the letter of the correct answer.

___ 1.When sound waves bounce off surfaces, it is called

a.reflection.

b.diffraction.

c.interference.

___ 2.Sound usually travels fastest in

a.gases.

b.liquids.

c.solids.

___ 3.The pitch of a sound depends on the

a.amplitude of the sound wave.

b.frequency of the sound wave.

c.speed of the sound wave.

___ 4.Sounds that are too high for humans to hear are called

a.ultrasound.

b.infrasound.

c.reverberation.

___ 5.A note played on a trumpet sounds different than the same

note played on a clarinet because of differences in

a.density.

b.sound quality.

c.frequency.

___ 6.The study of the way sounds bounce off surfaces and bump

into one another is known as

a.echolocation.

b.Doppler effect.

c.acoustics.

___ 7.The eardrum is part of the

a.inner ear.

b.middle ear.

c.outer ear.

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NameDateClass

Sound ■ Adapted Test

___ 8.The most common cause of hearing loss is

a.injury.

b.infection.

c.aging.

___ 9.Bats and dolphins find objects in the dark by using

a.echolocation.

b.sonar.

c.resonance.

___ 10.Sonar devices send out waves of

a.infrasound.

b.ultrasound.

c.resonance.

Completion

echodiffractioninjury

sonogramfundamentaldecibels

Read the words in the box. In each sentence below, fill in one of the words.

11.When sound waves bend and spread out, it is called

12.The loudness of a sound is measured in

13.The lowest natural frequency of an object is called the

tone.

14.You should never put objects in your ears in order to prevent

15.Ultrasound imaging can make a picture called a(an)

True or False

If a statement is true, write true. If it is false, write false.

______16.Sound waves are transverse waves.

______17.A change in pitch that happens because a sound

source is moving is called reverberation.

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9

NameDateClass

Sound ■ Adapted Test

______18.Resonance changes the loudness of some overtones.

______19.All types of hearing loss can be helped with hearing

aids.

______20.Echolocation involves the reflection of ultrasound

waves.

Using Science Skills

The picture below shows a musical instrument. Use the picture to answer questions 21, 22, and 23.

___ 21.Classifying Which type of musical instrument is shown in

the picture?

a.stringed instrument

b.wind instrument

c.percussion instrument

___ 22.Applying Concepts What part of the instrument vibrates to

make sound?

a.reed

b.string

c.head

___ 23.Inferring How would you change pitch in this instrument?

a.by blowing harder into the instrument

b.by stretching the strings

c.by changing the length of the air column

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10

NameDateClass

Sound ■ Adapted Test

Using Science Skills

The diagram below shows a boat sending sound waves through the water to a sunken ship. Use the diagram to answer questions 24 and 25.

___ 24.Interpreting Diagrams What type of ultrasound technology

is being used on the boat?

a.echolocation

b.sonar

c.ultrasound imaging

___ 25.Inferring What information is needed to calculate the

distance to the sunken ship?

a.the amount of time it takes the sound waves to return

b.the loudness of the returning sound waves

c.the pitch of the returning sound waves

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