WorksheetsUnit 8: Waves and Sound Vocab
Total questions: 45
Worksheet time: 23mins
Name
Class
Date
1.
A traveling disturbance that transfers energy from one point to another.
a)
Period
b)
Frequency
c)
Wave
d)
Pulse
e)
Wavelength
2.
A single disturbance traveling through a medium.
a)
Period
b)
Frequency
c)
Wave
d)
Pulse
e)
Wavelength
3.
The amount of time it takes to make on complete oscillation.
a)
Period
b)
Frequency
c)
Wave
d)
Pulse
e)
Wavelength
4.
If wave velocity increases and wavelength remains constant, the period will:
a)
Increase
b)
Remain the same
c)
Decrease
d)
Depend on the amplitude
5.
Constructive interference results in:
a)
Lower amplitude
b)
Higher amplitude
c)
No amplitude change
d)
Wave cancellation
6.
What causes the alternating loud and soft sounds heard as beats?
a)
Differences in wave speed
b)
Differences in wave amplitude
c)
Constructive and destructive interference
d)
Changes in medium density
7.
The number of waves that pass a fixed point per unit of time.
a)
Period
b)
Frequency
c)
Wave
d)
Pulse
e)
Wavelength
8.
Any wave that requires a medium.
a)
Transverse Wave
b)
Longitudinal Wave
c)
Mechanical Wave
d)
Electromagnetic Wave
9.
Any wave where the vibrations are perpendicular to the direction of travel.
a)
Transverse Wave
b)
Longitudinal Wave
c)
Mechanical Wave
d)
Electromagnetic Wave
10.
Any wave that does not require a medium.
a)
Transverse Wave
b)
Longitudinal Wave
c)
Mechanical Wave
d)
Electromagnetic Wave
11.
Point A represents...
a)
Trough
b)
Amplitude
c)
Crest
d)
Wavelength
e)
Node
12.
Point B represents...
a)
Trough
b)
Amplitude
c)
Crest
d)
Wavelength
e)
Node
13.
Point C represents...
a)
Trough
b)
Amplitude
c)
Crest
d)
Wavelength
e)
Node
14.
Point D represents...
a)
Trough
b)
Amplitude
c)
Crest
d)
Wavelength
e)
Node
15.
Point E represents...
a)
Trough
b)
Amplitude
c)
Crest
d)
Wavelength
e)
Node
16.
The time it takes for a wave to complete one cycle.
a)
amplitude
b)
period
c)
wavelength
d)
frequency
17.
The distance between corresponding points on consecutive waves.
a)
amplitude
b)
period
c)
wavelength
d)
frequency
18.
The bending of a wave when it moves from one medium to another.
a)
refraction
b)
reflection
c)
interference
d)
diffraction
19.
When two or more waves move through the same part of a medium.
a)
refraction
b)
reflection
c)
interference
d)
diffraction
20.
The spreading of a wave as it move around an object in its path.
a)
refraction
b)
reflection
c)
interference
d)
diffraction
21.
The speed of a wave within a medium is...
a)
constant
b)
dependent on the wavelength
c)
dependent on the frequency
d)
constantly changing.
22.
When referring to music "pitch" is the same as...
a)
wavelength
b)
frequency
c)
wave speed
d)
resonance
23.
When a wave reaches the boundary between two media...
a)
part of the energy is reflected from the boundary.
b)
part of the energy is transmitted into the new medium.
c)
part of the energy can be absorbed by the new medium.
d)
All three of these can occur.
24.
When a wave moves into a new medium which of the following is always true.
a)
The amplitude of the wave remains constant
b)
The wavelength of the wave remains constant
c)
The frequency of the wave remains constant
d)
The velocity of the wave remains constant.
25.
Which best expresses how humans "hear" sound.
a)
Sound waves are turned into light waves as the travel through the eardrum, hammer, anvil, stirrup, and cochlea.
b)
Sound waves are turned into radio waves by the cilia in the cochlea.
c)
Sound vibrations are passed into the inner ear by eardrum, hammer, anvil, and stirrup. Inside the cochlea these vibrations are converted into nerve impulses by the cilia of the cochlea.
d)
Electromagnetic sound waves are converted into mechanical sound waves by the ear.
26.
If the beat frequency is 5 Hz and one tuning fork has a frequency of 250 Hz, what are possible frequencies for the tuning fork?
a)
245 Hz or 255 Hz
b)
125 Hz or 500 Hz
c)
255 Hz only
d)
245 Hz only
27.
Sound waves cannot travel through the vacuum of space.
a)
true
b)
false
28.
Sound waves are transverse waves.
a)
true
b)
false
29.
Light waves are transverse waves.
a)
true
b)
false
30.
Light waves are mechanical waves.
a)
true
b)
false
31.
What happens to the frequency of the detected sound if the source and observer are getting closer to each other?
a)
The frequency will be higher only if they are moving toward each other.
b)
The will be higher only if the observer is stationary.
c)
The frequency will be lower if the observer is catching up to a source moving in the same direction.
d)
The frequency will always be higher regardless of the relative motion when the objects are getting closer.
32.
A stringed musical instrument has a string that is 1.0m long. While the string vibrates the wavelength changes from 2.0m, to 1.0m, to 0.25m, and back to 2.0m very quickly. What is true about this phenomena?
a)
One of the waves is considered the fundamental frequency and the rest are called harmonic frequencies.
b)
One of the waves is called the harmonic frequency and the rest are called fundamental frequencies.
c)
The waves will interfere with each other causing a beat frequency.
d)
They waves will have such similar sounds it will produce dissonance.
33.
The amplification of a wave caused by sympathetic vibrations of the medium.
a)
Resonance
b)
Dissonance
c)
Consonance
d)
Beat Frequency
34.
Two music frequencies that result in a pleasing sound when played together.
a)
Resonance
b)
Dissonance
c)
Consonance
d)
Beat Frequency
35.
Two music frequencies that differ by a small amount resulting in a quickly alternating constructive/destructive interference pattern.
a)
Resonance
b)
Dissonance
c)
Consonance
d)
Beat Frequency
36.
Which part of the ear is responsible for our sense of balance and body position?
a)
The Eustachian Tube
b)
The Ossicles: Malleus, Incus, and Stapes
c)
The Cochlea
d)
The Semicircular Canals
37.
Which part of the ear acts as a series of levers to transmit sound through the inner ear to the vestibule.
a)
The Eustachian Tube
b)
The Ossicles: Malleus, Incus, and Stapes
c)
The Cochlea
d)
The Semicircular Canals
38.
Which part of the ear is responsible for equalizing the air pressure in the inner ear to that of the outer ear?
a)
The Eustachian Tube
b)
The Ossicles: Malleus, Incus, and Stapes
c)
The Cochlea
d)
The Semicircular Canals
39.
Represents reflection from a rigid medium.
a)
A
b)
B
c)
C
d)
D
e)
None of these
40.
Represents the principle of destructive interference.
a)
A
b)
B
c)
C
d)
D
e)
None of these
41.
Represents the formation of an antinode.
a)
A
b)
B
c)
C
d)
D
e)
None of these
42.
Represents the principle of refraction.
a)
A
b)
B
c)
C
d)
D
e)
None of these
43.
Represents the formation of a node.
a)
A
b)
B
c)
C
d)
D
e)
None of these
44.
Represents the reflection from a less rigid medium.
a)
A
b)
B
c)
C
d)
D
e)
None of these
45.
Represents the principle of diffraction.
a)
A
b)
B
c)
C
d)
D
e)
None of these
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