Test 19 review

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


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


4. ______ is the distance from one compression to another.



Answer:

wavelength


1. A sound wave makes a region of higher density called a _____.



Answer:

compression


Answer:

rarefaction


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


4. ______ is the distance from one compression to another.



Answer:

wavelength


5. The speed of sound is fastest in ______.a. solids c. gasesb. liquids d. space

Answer:

solids


6. The speed of sound is faster on a _______ day.a. hot c. coldb. warm d. holiday

Answer:

hot


7. ______ is the human perception of how much energy a sound wave carries.

a. Decibel scale c. Loudness

b. Frequency d. Amplitude

Answer:

Loudness


8. The amount of energy a wave carries depends on its ______.a. Decibel scale c. Loudnessb. Frequency d. Amplitude

Answer:

Amplitude


5. The speed of sound is fastest in ______.a. solids c. gasesb. liquids d. space

Answer:

solids


6. The speed of sound is faster on a _______ day.a. hot c. coldb. warm d. holiday

Answer:

hot


7. ______ is the human perception of how much energy a sound wave carries.



Answer:

Loudness


8. The amount of energy a wave carries depends on its ______.a. Decibel scale c. Loudnessb. Frequency d. Amplitude

Answer:

Amplitude


9. The loudness of a sound is measured on a ______ scale.a. Decibel c. Loudnessb. Frequency d. Amplitude

Answer:

Decibel


10. Humans can hear sounds with a ______ of 20 Hz to 20,000 Hz.



Answer:

frequency


11. A reflected sound wave is called a(n) ______.

a. echo c. sonar

b. echo location d. Doppler effect

Answer:

echo


12. Ships use ______ to find how deep the water below them is.

a. echo c. sonar


Answer:

sonar


9. The loudness of a sound is measured on a ______ scale.a. Decibel c. Loudnessb. Frequency d. Amplitude

Answer:

Decibel


10. Humans can hear sounds with a ______ of 20 Hz to 20,000 Hz.



Answer:

frequency


11. A reflected sound wave is called a(n) ______.

a. echo c. sonar


Answer:

echo


12. Ships use ______ to find how deep the water below them is.a. echo c. sonarb. echo location d. Doppler effect

Answer:

sonar



13. A _______ is a device that produces musical soundsa. musical instrument c. beat frequencyb. resonance d. overtone

Answer:

musical instrument

Answer:

Echo location


14. Animals like dolphins and bats use ______ to hunt for food.

a. echo c. sonar


Answer:

Doppler effect


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



13. A _______ is a device that produces musical soundsa. musical instrument c. beat frequencyb. resonance d. overtone

Answer:

musical instrument

Answer:

Echo location


14. Animals like dolphins and bats use ______ to hunt for food.

a. echo c. sonar


Answer:

Doppler effect


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



Answer:

diffraction


17. A group of sounds that have been deliberately produced is called ______.



Answer:

music


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


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


Answer:

Noise


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


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


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


Answer:

Noise


20. _______ is a group of sounds with no regular pattern.a. noise c. natural frequencyb. music d. diffraction

Answer:

overtones


21. _______ have frequencies that are multiples of the fundamental frequency.a. stringed instruments c. overtones b. percussion instruments d. beats

Answer:

beat


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


23. _______ like the cell produce music by making strings vibrate.a. stringed instruments c. overtones b. percussion instruments d. beats

Answer:

Percussion instruments


24. _______ such as the drum are struck to make a sound.a. stringed instruments c. overtones b. percussion instruments d. beats

Answer:

overtones


21. _______ have frequencies that are multiples of the fundamental frequency.a. stringed instruments c. overtones b. percussion instruments d. beats

Answer:

beat


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


23. _______ like the cell produce music by making strings vibrate.a. stringed instruments c. overtones b. percussion instruments d. beats

Answer:

Percussion instruments


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


Answer:

Brass instruments


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


28. The ______ ear amplifies the sound.

a. outer c. inner


Answer:

middle


Answer:

inner


29. The ______ ear changes the sound waves to electrical impulses.

a. outer c. inner


30. Disease, age, and exposure to loud sounds can cause.

a. outer c. inner


Answer:

hearing loss


25. Repeated echoes of sound are called ______.

a. stringed instruments c. reverberation

b. percussion instruments d. beats

Answer:

reverberation


Answer:

Brass instruments


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


Answer:

outer


28. The ______ ear amplifies the sound.a. outer c. innerb. middle d. hearing loss

Answer:

middle


Answer:

inner


29. The ______ ear changes the sound waves to electrical impulses.

a. outer c. inner


30. Disease, age, and exposure to loud sounds can cause.

a. outer c. inner


Answer:

hearing loss


Test 19 review

Education

reviewquestions answer

frequency chapter

echo chapter

amplitude answer

wavelength answer

compression chapter

amplitude chapter

wavelength chapter