Transcript
6th Grade Science
Chapter 19 Sound
Review Questions
Bottle Nose Dolphins
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
Answer:
rarefaction
Chapter 19Review Questions
2. The area of low density in a sound wave is a ______?a. compression c. frequencyb. rarefaction d. wavelength
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
4. ______ is the distance from one compression to another.
a. compression c. frequency
b. rarefaction d. wavelength
Answer:
wavelength
Chapter 19Review Questions
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
Answer:
rarefaction
Chapter 19Review Questions
2. The area of low density in a sound wave is a ______?a. compression c. frequencyb. rarefaction d. wavelength
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
4. ______ is the distance from one compression to another.
a. compression c. frequency
b. rarefaction d. wavelength
Answer:
wavelength
Chapter 19Review Questions
5. The speed of sound is fastest in ______.a. solids c. gasesb. liquids d. space
Answer:
solids
Chapter 19Review Questions
6. The speed of sound is faster on a _______ day.a. hot c. coldb. warm d. holiday
Answer:
hot
Chapter 19Review Questions
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
8. The amount of energy a wave carries depends on its ______.a. Decibel scale c. Loudnessb. Frequency d. Amplitude
Answer:
Amplitude
Chapter 19Review Questions
5. The speed of sound is fastest in ______.a. solids c. gasesb. liquids d. space
Answer:
solids
Chapter 19Review Questions
6. The speed of sound is faster on a _______ day.a. hot c. coldb. warm d. holiday
Answer:
hot
Chapter 19Review Questions
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
8. The amount of energy a wave carries depends on its ______.a. Decibel scale c. Loudnessb. Frequency d. Amplitude
Answer:
Amplitude
Chapter 19Review Questions
9. The loudness of a sound is measured on a ______ scale.a. Decibel c. Loudnessb. Frequency d. Amplitude
Answer:
Decibel
Chapter 19Review Questions
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
11. A reflected sound wave is called a(n) ______.
a. echo c. sonar
b. echo location d. Doppler effect
Answer:
echo
Chapter 19Review Questions
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
9. The loudness of a sound is measured on a ______ scale.a. Decibel c. Loudnessb. Frequency d. Amplitude
Answer:
Decibel
Chapter 19Review Questions
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
11. A reflected sound wave is called a(n) ______.
a. echo c. sonar
b. echo location d. Doppler effect
Answer:
echo
Chapter 19Review Questions
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
Chapter 19Review Questions
13. A _______ is a device that produces musical soundsa. musical instrument c. beat frequencyb. resonance d. overtone
Answer:
musical instrument
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
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
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
Chapter 19Review Questions
13. A _______ is a device that produces musical soundsa. musical instrument c. beat frequencyb. resonance d. overtone
Answer:
musical instrument
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
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
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
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
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
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
Answer:
Noise
Chapter 19Review Questions
20. _______ is a group of sounds with no regular pattern.a. noise c. natural frequencyb. music d. diffraction
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
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
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
Answer:
Noise
Chapter 19Review Questions
20. _______ is a group of sounds with no regular pattern.a. noise c. natural frequencyb. music d. diffraction
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
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
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
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
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
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
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
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
25. Repeated echoes of sound are called ______.
a. stringed instruments c. reverberation
b. percussion instruments d. beats
Answer:
reverberation
Chapter 19Review Questions
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
27. The ______ ear collects the sound.
a. outer c. inner
b. middle d. hearing loss
Answer:
outer
Chapter 19Review Questions
28. The ______ ear amplifies the sound.
a. outer c. inner
b. middle d. hearing loss
Answer:
middle
Chapter 19Review Questions
Answer:
inner
Chapter 19Review Questions
29. The ______ ear changes the sound waves to electrical impulses.
a. outer c. inner
b. middle d. hearing loss
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
25. Repeated echoes of sound are called ______.
a. stringed instruments c. reverberation
b. percussion instruments d. beats
Answer:
reverberation
Chapter 19Review Questions
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
27. The ______ ear collects the sound.
a. outer c. inner
b. middle d. hearing loss
Answer:
outer
Chapter 19Review Questions
28. The ______ ear amplifies the sound.a. outer c. innerb. middle d. hearing loss
Answer:
middle
Chapter 19Review Questions
Answer:
inner
Chapter 19Review Questions
29. The ______ ear changes the sound waves to electrical impulses.
a. outer c. inner
b. middle d. hearing loss
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
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