chapter 12 review mr. hauser. rules of the game working in teams, you will be asked to answer...
TRANSCRIPT
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Chapter 12 Review
Mr. Hauser
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Rules of the Game
• Working in TEAMS, you will be asked to answer questions from the assigned chapters.
• You have 30 seconds to write the answer down on the dry erase board.
• When the teacher says TIME’S UP, a team leader will stand up and show the teacher their answer.
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Rules (Continued)
• Each correct answer is worth one point, unless otherwise stated.
• Teams can lose points for inappropriate conduct, comments, or cheating.
• The team with the most points at the end of the game wins!
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Question 1
The very top part of a wave is called the ___________.
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crest
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Question 2
The distance between equilibrium and crest of a wave is called the ______.
A) frequencyB) wavelengthC) amplitudeD) periodE) speed
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C) amplitude
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Question 3
The distance from one point on a wave to the same point on the next consecutive wave is called __________.
A) frequencyB) wavelengthC) amplitudeD) periodE) speed
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B) Wavelength
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Question 4
The mathematical name for the shape of a wave is called a __________ wave.
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sine
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Question 5
Since sound cannot travel in a vacuum it is called a(n)…
A) mechanical wave
B) non-mechanical wave
C) transverse wave
D) Electromagnetic wave
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A) Mechanical wave
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Question 6What are the metric units used to
measure frequency?
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Hertz
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Question 7
The faster the sound moves through the air, …
A) the colder the air must be.
B) the warmer the air must be.
C) the dryer the air must be.
D) the higher frequency sound it must be.
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B) the warmer the air must be
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Question 8
What is the range of human hearing?
A. 5 Hz-5,000 HzB. 10 Hz - 10,000 HzC. 20 Hz - 20,000 HzD. 30 Hz - 30,000 HzE. 40 Hz - 40,000 Hz
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C) 20 Hz - 20,000 Hz
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Question 9
What is the type of wave that vibrates its medium perpendicular to its
direction of travel? Hint: light, x-rays, radio waves fall into this
category
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Transverse waves
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Question 10
What is the other name for a longitudinal wave?
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Compression wave
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Question 11
In a longitudinal wave the area between
compressions is called…
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rarefaction
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Question 12
What is the symbol used for wavelength?
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Lambda ()
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Question 13
Which two factors affect the speed of sound in air?
A) frequency and period
B) amplitude and wavelength
C) air temperature and humidity
D) wavelength and elasticity
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C) Air temperature and humidity
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Question 14The pitch of a sound depends on which of these?
A. wavelengthB. amplitudeC. intensityD. loudnessE. frequency
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E) frequency
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Question 15
Sound travels fastest in…A) solids.B) liquids.C) gases.D) a vacuum.
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A) solids
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Question 16
When a sound strikes a barrier and bounces back to
the listener he or she perceives an ________.
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echo
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Question 17When sound waves bend due to a difference
in air temperature it is called…A)reflectionB) reverberationC)echoingD)refraction
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D) refraction
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Question 18
Sound waves that are beyond the frequency range of human hearing are called _____________.
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Ultrasonic
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Question 19When one vibrating object makes contact
with another causing the second one to vibrate it has made…
A) an echo.B) reverberation.C) a forced vibration.D) the Doppler Effect.
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C) Forced Vibration
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Loudness of sound is measured in units called...
Question 20
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Decibels
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The special frequency an object has that depends on its elasticity and shape is
referred to as...
Question 21
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Natural Frequency
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When an object receives a sympathetic vibration from an outside source that matches its natural frequency and the object vibrates with a large amplitude
_____________ is occurring.
Question 22
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Resonance
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The Tacoma Narrows bridge that was resonated by the wind and literally shook
itself apart was located in what state?
Question 23
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Washington
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When two waves occupy the same space at the same time they __________ with one
another.
Question 24
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Interfere
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When two waves interfere that are in phase and the resulting wave that gets created has a larger amplitude __________ interfence has occured.
Question 25
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Constructive
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The apparent change in frequency of a wave due to the motion of a source or
observer is called…
Question 26
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The Doppler Effect
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If you can travel faster than the speed of sound,
observers would hear a ________ ________ after
you pass by.
Question 27
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sonic boom
![Page 58: Chapter 12 Review Mr. Hauser. Rules of the Game Working in TEAMS, you will be asked to answer questions from the assigned chapters. You have 30 seconds](https://reader035.vdocument.in/reader035/viewer/2022062300/56649f4e5503460f94c6ed7e/html5/thumbnails/58.jpg)
If you travel at twice the speed of sound, you are traveling at _______ 2.
Question 28
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Mach
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When an object is traveling close to the same speed as the waves it’s generating, the v-
shaped wave generated by the combination of all of the waves
from the object is called a…
Question 29
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bow wave
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An object such as an airplane moving toward you would
sound to you as…A) a higher pitch than it’s really making.
B) a lower pitch than it’s really making.
C) the same pitch that it’s making.
Question 30
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A) a higher pitch than it’s really making
![Page 64: Chapter 12 Review Mr. Hauser. Rules of the Game Working in TEAMS, you will be asked to answer questions from the assigned chapters. You have 30 seconds](https://reader035.vdocument.in/reader035/viewer/2022062300/56649f4e5503460f94c6ed7e/html5/thumbnails/64.jpg)
At night when the air close to the ground is cold and the air
up high is warm, sound waves are…
A) refracted down to the ground.B) refracted up toward the sky.C) not refracted at all.
Question 31
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A) refracted down to the ground.
![Page 66: Chapter 12 Review Mr. Hauser. Rules of the Game Working in TEAMS, you will be asked to answer questions from the assigned chapters. You have 30 seconds](https://reader035.vdocument.in/reader035/viewer/2022062300/56649f4e5503460f94c6ed7e/html5/thumbnails/66.jpg)
If a sound wave has a frequency of 340 Hz, what is its wavelength? (Hint:
you need to know the speed of sound in air)
Question 32
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1 meter
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What is the name of the point on a standing wave
that does not vibrate?
Question 33
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node
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If one singer sings at 85 decibels, how many
decibels would two singers produce?
Question 34
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88 decibels
![Page 72: Chapter 12 Review Mr. Hauser. Rules of the Game Working in TEAMS, you will be asked to answer questions from the assigned chapters. You have 30 seconds](https://reader035.vdocument.in/reader035/viewer/2022062300/56649f4e5503460f94c6ed7e/html5/thumbnails/72.jpg)
If you double your distance away from a source of sound you perceive its
intensity to be _____ its original value. (be exact)
Question 35
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One forth
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What are the metric units used to measure sound
intensity?
Question 36
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W/m2
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A sound that has a power of 4.4 x 10-3W has an intensity of 5.60 x 10-7W/m2 at what
distance?
Question 37
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25 m
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The sound quality that a listener perceives as
specific to a certain sound, voice, or instrument is
called…
Question 38
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timbre
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If a pipe opened at both ends is made longer, its frequency…
A)gets bigger.
B)gets smaller.
C)stays constant.
Question 39
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B) Gets smaller
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By tightening a guitar string, you effectively make the speed of a wave in that string faster. By doing so it would
produce a _________ pitch.
A) Higher
B) Lower
C) The same
Question 40
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A) Higher
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If the length of a pipe opened at both ends is decreased, its fundamental frequency…
A)increases.B)decreases.C)remains constant.
Question 41
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A) increases
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If the air inside a pipe closed at one end gets colder, its
fundamental frequency…A)decreases.B)increases.C)remains constant.
Question 42
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A) decreases
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What frequency is the second harmonic of a pipe opened at both ends that is 52 cm long? (The speed of sound in air is 343 m/s) Report the answer
in proper units
Question 43
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660 Hz
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FINAL QUESTION
What is the term for the rhythmic pattern generated from two similar frequencies interfering with one another.
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beats