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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8
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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