Focus On Life Science: California Grade 7

Chapter 12: The Ear and Sound

Standard Assessment

1.
Which of these can cause loss of hearing? 5.g
A)aging
B)allergies
C)loud noises
D)all of the above
2.
Which of the following is in the inner ear? 5.g
A)anvil
B)cochlea
C)hammer
D)eardrum
3.
Which of these animals does NOT generally use echolocation? 5.g
A)dolphins
B)bats
C)cats
D)whales
4.
Which of the following are units for measuring frequency? 5.g
A)meters
B)decibels
C)hertz
D)meters/second
5.
_____ is how high or low a sound is. 5.g
A)frequency
B)pitch
C)wavelength
D)amplitude
6.
__________ is a measure of the energy in a wave. 5.g
A)Wavelength
B)Frequency
C)Wave velocity
D)Amplitude
7.
"Which of the following are units for measuring intensity?" 5.g
A)meters/second
B)hertz
C)decibels
D)meters
8.
Where are the eardrums located? 5.g
A)in the middle ear
B)in the outer ear
C)in the inner ear
D)in the external ear
9.
The external ear and auditory canal make up the _______ ear. 5.g
A)inner
B)outer
C)middle
D)sensory
10.
Which of these collect sound waves from the environment? 5.g
A)middle ear
B)inner ear
C)outer ear
D)ear drums
11.
A __________ is a repeating disturbance that transfers energy through matter or open space. 5.g
A)frequency
B)medium
C)wave
D)conductor
12.
Signals are sent to the brain from the ______. 5.g
A)ear drums
B)outer ear
C)middle ear
D)inner ear
13.
The malleus, incus, and stapes are bones of the _______. 5.g
A)outer ear
B)middle ear
C)inner ear
D)brain
14.
A reflected sound wave is a(n) _______. 5.g
A)echo
B)redirected sound
C)microphone
D)high frequency
15.
Which person is more likely to require the use of a hearing aid? 5.g
A)someone with badly damaged cochlea
B)someone with a cold
C)someone with fluid in the middle ear
D)someone with allergies
16.
A _______ wave causes particles in matter to move back and forth along the same direction in which the wave travels. 5.g
A)radio
B)transverse
C)seismic
D)compressional
17.
Sound waves are __________ waves. 5.g
A)radio
B)transverse
C)compressional
D)molecular
18.
What is the region of a compressional wave where particles are far apart called? 5.g
A)rest position
B)trough
C)crest
D)rarefaction
19.
Sounds occur as a result of the ______ of molecules. 5.g
A)amplitude
B)wavelength
C)frequency
D)vibration
20.
The _______ of a wave is the number of wavelengths that pass by a point each second. 5.g
A)pitch
B)wavelength
C)frequency
D)intensity
Grade 7
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