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6th Grade Science
Chapter 19 Sound
Review Questions
Bottle Nose Dolphins
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1. A sound wave makes a region of higher density called a _____.
a. compression c. frequency
b. rarefaction d. wavelength
Answer:
compression
Chapter 19Review Questions
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Answer:
rarefaction
Chapter 19Review Questions
2. The area of low density in a sound wave is a ______?a. compression c. frequencyb. rarefaction d. wavelength
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3. The ______ of a sound wave is the number of compressions or rarefactions that pass a given point in one second.a. compression c. frequencyb. rarefaction d. wavelength
Answer:
frequency
Chapter 19Review Questions
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4. ______ is the distance from one compression to another.
a. compression c. frequency
b. rarefaction d. wavelength
Answer:
wavelength
Chapter 19Review Questions
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1. A sound wave makes a region of higher density called a _____.
a. compression c. frequency
b. rarefaction d. wavelength
Answer:
compression
Chapter 19Review Questions
![Page 7: Test 19 review](https://reader033.vdocument.in/reader033/viewer/2022061216/54b2c5574a795913678b45d6/html5/thumbnails/7.jpg)
Answer:
rarefaction
Chapter 19Review Questions
2. The area of low density in a sound wave is a ______?a. compression c. frequencyb. rarefaction d. wavelength
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3. The ______ of a sound wave is the number of compressions or rarefactions that pass a given point in one second.a. compression c. frequencyb. rarefaction d. wavelength
Answer:
frequency
Chapter 19Review Questions
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4. ______ is the distance from one compression to another.
a. compression c. frequency
b. rarefaction d. wavelength
Answer:
wavelength
Chapter 19Review Questions
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5. The speed of sound is fastest in ______.a. solids c. gasesb. liquids d. space
Answer:
solids
Chapter 19Review Questions
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6. The speed of sound is faster on a _______ day.a. hot c. coldb. warm d. holiday
Answer:
hot
Chapter 19Review Questions
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7. ______ is the human perception of how much energy a sound wave carries.
a. Decibel scale c. Loudness
b. Frequency d. Amplitude
Answer:
Loudness
Chapter 19Review Questions
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8. The amount of energy a wave carries depends on its ______.a. Decibel scale c. Loudnessb. Frequency d. Amplitude
Answer:
Amplitude
Chapter 19Review Questions
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5. The speed of sound is fastest in ______.a. solids c. gasesb. liquids d. space
Answer:
solids
Chapter 19Review Questions
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6. The speed of sound is faster on a _______ day.a. hot c. coldb. warm d. holiday
Answer:
hot
Chapter 19Review Questions
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7. ______ is the human perception of how much energy a sound wave carries.
a. Decibel scale c. Loudness
b. Frequency d. Amplitude
Answer:
Loudness
Chapter 19Review Questions
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8. The amount of energy a wave carries depends on its ______.a. Decibel scale c. Loudnessb. Frequency d. Amplitude
Answer:
Amplitude
Chapter 19Review Questions
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9. The loudness of a sound is measured on a ______ scale.a. Decibel c. Loudnessb. Frequency d. Amplitude
Answer:
Decibel
Chapter 19Review Questions
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10. Humans can hear sounds with a ______ of 20 Hz to 20,000 Hz.
a. Decibel scale c. Loudness
b. Frequency d. Amplitude
Answer:
frequency
Chapter 19Review Questions
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11. A reflected sound wave is called a(n) ______.
a. echo c. sonar
b. echo location d. Doppler effect
Answer:
echo
Chapter 19Review Questions
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12. Ships use ______ to find how deep the water below them is.
a. echo c. sonar
b. echo location d. Doppler effect
Answer:
sonar
Chapter 19Review Questions
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9. The loudness of a sound is measured on a ______ scale.a. Decibel c. Loudnessb. Frequency d. Amplitude
Answer:
Decibel
Chapter 19Review Questions
![Page 23: Test 19 review](https://reader033.vdocument.in/reader033/viewer/2022061216/54b2c5574a795913678b45d6/html5/thumbnails/23.jpg)
10. Humans can hear sounds with a ______ of 20 Hz to 20,000 Hz.
a. Decibel scale c. Loudness
b. Frequency d. Amplitude
Answer:
frequency
Chapter 19Review Questions
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11. A reflected sound wave is called a(n) ______.
a. echo c. sonar
b. echo location d. Doppler effect
Answer:
echo
Chapter 19Review Questions
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12. Ships use ______ to find how deep the water below them is.a. echo c. sonarb. echo location d. Doppler effect
Answer:
sonar
Chapter 19Review Questions
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Chapter 19Review Questions
13. A _______ is a device that produces musical soundsa. musical instrument c. beat frequencyb. resonance d. overtone
Answer:
musical instrument
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Answer:
Echo location
Chapter 19Review Questions
14. Animals like dolphins and bats use ______ to hunt for food.
a. echo c. sonar
b. echo location d. Doppler effect
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Answer:
Doppler effect
Chapter 19Review Questions
15. The change in frequency that occurs when a source of sound is moving relative to a listener is called the ______.a. echo c. sonarb. echo location d. Doppler effect
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16. ______ occurs when you don’t see someone standing in the hall but you still hear them
a. noise c. natural frequency
b. music d. diffraction
Answer:
diffraction
Chapter 19Review Questions
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Chapter 19Review Questions
13. A _______ is a device that produces musical soundsa. musical instrument c. beat frequencyb. resonance d. overtone
Answer:
musical instrument
![Page 31: Test 19 review](https://reader033.vdocument.in/reader033/viewer/2022061216/54b2c5574a795913678b45d6/html5/thumbnails/31.jpg)
Answer:
Echo location
Chapter 19Review Questions
14. Animals like dolphins and bats use ______ to hunt for food.
a. echo c. sonar
b. echo location d. Doppler effect
![Page 32: Test 19 review](https://reader033.vdocument.in/reader033/viewer/2022061216/54b2c5574a795913678b45d6/html5/thumbnails/32.jpg)
Answer:
Doppler effect
Chapter 19Review Questions
15. The change in frequency that occurs when a source of sound is moving relative to a listener is called the ______.a. echo c. sonarb. echo location d. Doppler effect
![Page 33: Test 19 review](https://reader033.vdocument.in/reader033/viewer/2022061216/54b2c5574a795913678b45d6/html5/thumbnails/33.jpg)
16. ______ occurs when you don’t see someone standing in the hall but you still hear them
a. noise c. natural frequency
b. music d. diffraction
Answer:
diffraction
Chapter 19Review Questions
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17. A group of sounds that have been deliberately produced is called ______.
a. noise c. natural frequency
b. music d. diffraction
Answer:
music
Chapter 19Review Questions
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18. ______ occurs when an object is made to vibrate at its natural frequency by absorbing energy from a sound wave at the same frequency. a. noise c. natural frequency b. music d. resonance
Answer:
resonance
Chapter 19Review Questions
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Answer:
natural frequency
19. The ______ of any object depend on the size shape and material it is made from.a. noise c. natural frequencyb. music d. diffraction
Chapter 19Review Questions
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Answer:
Noise
Chapter 19Review Questions
20. _______ is a group of sounds with no regular pattern.a. noise c. natural frequencyb. music d. diffraction
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17. A group of sounds that have been deliberately produced is called ______.a. noise c. natural frequencyb. music d. diffraction
Answer:
music
Chapter 19Review Questions
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18. ______ occurs when an object is made to vibrate at its natural frequency by absorbing energy from a sound wave at the same frequency. a. noise c. natural frequency b. music d. resonance
Answer:
resonance
Chapter 19Review Questions
![Page 40: Test 19 review](https://reader033.vdocument.in/reader033/viewer/2022061216/54b2c5574a795913678b45d6/html5/thumbnails/40.jpg)
Answer:
natural frequency
19. The ______ of any object depend on the size shape and material it is made from.a. noise c. natural frequencyb. music d. diffraction
Chapter 19Review Questions
![Page 41: Test 19 review](https://reader033.vdocument.in/reader033/viewer/2022061216/54b2c5574a795913678b45d6/html5/thumbnails/41.jpg)
Answer:
Noise
Chapter 19Review Questions
20. _______ is a group of sounds with no regular pattern.a. noise c. natural frequencyb. music d. diffraction
![Page 42: Test 19 review](https://reader033.vdocument.in/reader033/viewer/2022061216/54b2c5574a795913678b45d6/html5/thumbnails/42.jpg)
Answer:
overtones
Chapter 19Review Questions
21. _______ have frequencies that are multiples of the fundamental frequency.a. stringed instruments c. overtones b. percussion instruments d. beats
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Answer:
beat
Chapter 19Review Questions
22. If two notes have a frequency of 329 Hz and 332 Hz then their ______frequency is 3Hz. a. stringed instruments c. overtones b. percussion instruments d. beat
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Answer:
Stringed instruments
Chapter 19Review Questions
23. _______ like the cell produce music by making strings vibrate.a. stringed instruments c. overtones b. percussion instruments d. beats
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Answer:
Percussion instruments
Chapter 19Review Questions
24. _______ such as the drum are struck to make a sound.a. stringed instruments c. overtones b. percussion instruments d. beats
![Page 46: Test 19 review](https://reader033.vdocument.in/reader033/viewer/2022061216/54b2c5574a795913678b45d6/html5/thumbnails/46.jpg)
Answer:
overtones
Chapter 19Review Questions
21. _______ have frequencies that are multiples of the fundamental frequency.a. stringed instruments c. overtones b. percussion instruments d. beats
![Page 47: Test 19 review](https://reader033.vdocument.in/reader033/viewer/2022061216/54b2c5574a795913678b45d6/html5/thumbnails/47.jpg)
Answer:
beat
Chapter 19Review Questions
22. If two notes have a frequency of 329 Hz and 332 Hz then their ______frequency is 3Hz. a. stringed instruments c. overtones b. percussion instruments d. beat
![Page 48: Test 19 review](https://reader033.vdocument.in/reader033/viewer/2022061216/54b2c5574a795913678b45d6/html5/thumbnails/48.jpg)
Answer:
Stringed instruments
Chapter 19Review Questions
23. _______ like the cell produce music by making strings vibrate.a. stringed instruments c. overtones b. percussion instruments d. beats
![Page 49: Test 19 review](https://reader033.vdocument.in/reader033/viewer/2022061216/54b2c5574a795913678b45d6/html5/thumbnails/49.jpg)
Answer:
Percussion instruments
Chapter 19Review Questions
24. _______ such as the drum are struck to make a sound.a. stringed instruments c. overtones b. percussion instruments d. beats
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25. Repeated echoes of sound are called ______.
a. stringed instruments c. reverberation
b. percussion instruments d. beats
Answer:
reverberation
Chapter 19Review Questions
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Answer:
Brass instruments
Chapter 19Review Questions
26. ______ produce sound by vibrating a column of air.a. Stringed instruments c. overtones b. Brass instruments d. beats
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27. The ______ ear collects the sound.
a. outer c. inner
b. middle d. hearing loss
Answer:
outer
Chapter 19Review Questions
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28. The ______ ear amplifies the sound.
a. outer c. inner
b. middle d. hearing loss
Answer:
middle
Chapter 19Review Questions
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Answer:
inner
Chapter 19Review Questions
29. The ______ ear changes the sound waves to electrical impulses.
a. outer c. inner
b. middle d. hearing loss
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30. Disease, age, and exposure to loud sounds can cause.
a. outer c. inner
b. middle d. hearing loss
Answer:
hearing loss
Chapter 19Review Questions
![Page 56: Test 19 review](https://reader033.vdocument.in/reader033/viewer/2022061216/54b2c5574a795913678b45d6/html5/thumbnails/56.jpg)
25. Repeated echoes of sound are called ______.
a. stringed instruments c. reverberation
b. percussion instruments d. beats
Answer:
reverberation
Chapter 19Review Questions
![Page 57: Test 19 review](https://reader033.vdocument.in/reader033/viewer/2022061216/54b2c5574a795913678b45d6/html5/thumbnails/57.jpg)
Answer:
Brass instruments
Chapter 19Review Questions
26. ______ produce sound by vibrating a column of air.
a. Stringed instruments c. overtones
b. Brass instruments d. beats
![Page 58: Test 19 review](https://reader033.vdocument.in/reader033/viewer/2022061216/54b2c5574a795913678b45d6/html5/thumbnails/58.jpg)
27. The ______ ear collects the sound.
a. outer c. inner
b. middle d. hearing loss
Answer:
outer
Chapter 19Review Questions
![Page 59: Test 19 review](https://reader033.vdocument.in/reader033/viewer/2022061216/54b2c5574a795913678b45d6/html5/thumbnails/59.jpg)
28. The ______ ear amplifies the sound.a. outer c. innerb. middle d. hearing loss
Answer:
middle
Chapter 19Review Questions
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Answer:
inner
Chapter 19Review Questions
29. The ______ ear changes the sound waves to electrical impulses.
a. outer c. inner
b. middle d. hearing loss
![Page 61: Test 19 review](https://reader033.vdocument.in/reader033/viewer/2022061216/54b2c5574a795913678b45d6/html5/thumbnails/61.jpg)
30. Disease, age, and exposure to loud sounds can cause.
a. outer c. inner
b. middle d. hearing loss
Answer:
hearing loss
Chapter 19Review Questions