Download How Sound Works - Mt Bethel Blog

Level
U
How Sound Works
Quick Check
Name ___________________________________ Date _____________
instructions: Read each question carefully and choose the best answer.
1. What is true about sound?
4. What is a cochlea?
a It
is a form of energy.
aa
type of hearing aid
b It is caused by vibrations.
b a snail-shaped part
c Its waves move through
c a
device used to measure
d a
musical instrument used
air, water, and solids.
d all
of the above
2. How do hearing aids work?
a They
make sounds louder.
b They
trigger the inner
ear to work.
c They
change the frequency
d They
bypass the inner ear
of sounds.
and go directly to the brain.
3. L ow-frequency sound waves
create a sound that _________.
a travels
quickly
b has
a low pitch
c has
a low volume
d travels
through water
of the inner ear
the frequency of sound
to make a low frequency
5. W
hat interprets sound and
gives your body commands?
a outer
ear
b inner
ear
c middle
ear
d brain
6. Which statement is true?
a A high-frequency wave
b All
sound waves travel at
c A
high pitch is caused by
d A
sonic boom is created by
always has loud volume.
the same rate of speed.
fast-moving sound waves.
the low pitch of thunder.
Quick Check continued on following page
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Level
U
How Sound Works
Quick Check (continued)
Name ___________________________________ Date _____________
7. What is onomatopoeia?
10.What could cause permanent
hearing loss?
aa
bone in the middle ear
b words
that imitate sounds
a machinery
c a
certain frequency of sound
b loud music
d t he nerve running from the
c clanging
metal
d all
of the above
ear to the brain
8. W
hich is the best summary
statement for the section subtitled “How Is Sound Used?”?
a Animals
are able to use sound
to communicate what they
want to other creatures.
b Sound
is used by people and
other animals to warn, to live
better, and to communicate.
c There
are many new and
d Sound
is helpful to humans
innovative ways humans are using sound today.
because it warns them of danger.
9. Echolocation helps bats ________.
a find their homes
b hear
their young
c find
food at night
d communicate with others
© Learning A–Z All rights reserved.
11.Why does sound travel more
quickly in colder air than in
warmer air?
a Colder
air is closer to the earth.
b Particles
are closer together
c Particles are closer together
d all
of the above
in colder air.
in warmer air.
12.Which substance would sound
travel through the slowest?
a oxygen
b milk
c door
d wall
13.Extended Response: Explain
in sequence how ears work in humans.
14.Extended Response: Explain
two ways sounds are helpful to you in your world.
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