Wave Properties and Sound Review
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Transcript of Wave Properties and Sound Review
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Wave Properties and Sound Review
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True or False
1. A wave transports energy but not matter.
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True or False
2. As the frequency of sound waves increases, the wavelength of the sound waves decreases.
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True or False
3. Sound waves cannot travel through solids
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True or False
4. According to the Doppler effect, light from a star moving away from Earth will have a higher frequency than light from a star moving toward Earth.
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True or False
5. When two waves are in the same place at the same time, they combine to produce a single wave.
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True or False
6. Anything that moves up and down or back and forth in a rhythmic way is vibrating.
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7. Sound waves• A.require a medium.• C.are not mechanical waves.• B.are unrelated to vibrations.• D.can travel in a vacuum.
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8. The medium seismic waves travel through is• A.a vacuum.• C.air.• B.rocks and other materials inside Earth.• D.energy.
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9. Sound waves are and example of• A.transverse waves.• C.circular waves.• B.longitudinal waves.• D.polarized waves.
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10. Light waves are an example of• A.transverse waves.• C.rotating waves.• B.longitudinal waves.• D.circular waves.
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11. A person is standing still and listening to a siren sounding an alarm. The person begins running toward the sound. The frequency of the sound the person hears will
• A.remain the same.• C.decrease.• B.increase.• D.change by 20 Hz.
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12. The frequency of a sound wave determines• A.the pitch of the sound.• C.how fast the sound travels.• B.how loud the sound is.• D.the magnitude of the compression.
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13. How loud a sound is depends on• A.the wavelength of the sound.• C.the amplitude of the waves.• B.the pitch of the sound.• D.the medium.
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14. The intensity of a sound describes• A.its speed.• B.its loudness at a particular distance.• C.the distance and medium through which it
travels• D.the medium through which it travels.
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15. The pitch of a sound is most closely related to the
• A.frequency of vibrations.• B.distance from the sound source.• C.medium through which the sound travels.• D.intensity of the sound.
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16. A change in pitch or wave frequency due to movement is known as _____________.
• A.ultrasonic waves• C.Doppler Effect• B.intensity• D.vibrations
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17. A sound wave consists of _______________.• A.compressions and rarefactions• C.both a and b• B.crests and troughs• D.neither a nor b
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18. Mechanical waves are different than electromagnetic waves due to the fact that
• A.electromagnetic waves do not need a medium to transport energy.
• B.mechanical waves do not need a medium to transport energy.
• C.electromagnetic waves are influenced by light.• D.mechaical waves only transport energy in
outerspace.
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19. Which demonstration was used to illustrate the relationship between wavelength and pitch?
• A.oven rack and string• C.can phone• B.talking cups• D.carpet tubes and bunsen burner
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20. Which demonstration was used to illustrate the effect of vibrations on a medium?
• A.oven racks and string• C.can phone • B.tuning forks• D.all of the above
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21. The vacuum pump and alarm clock were used to illustrate the effect of _____ on sound waves.
• A.pitch• C.frequency• B.medium• D.vibrations
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Name That Wave
21. A wave that causes the particles of the medium to vibrate perpendicularly to the direction the wave travels.
22. A wave that requires a medium through which to travel.
23. A wave that causes the particles of the medium to vibrate parallel to the direction the wave travels.
24. A wave caused by a disturbance in electric and magnetic fields that does not require a medium.
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Vocabulary Terms25. Two or more waves in the same place at the same time. 26. A disturbance that transmits energy through matter or space.
27. The time required for a full wavelength to pass a certain point.
28. The number of vibrations that occur in a certain time frame.
29. The matter through which a wave travels.
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• Can you label a transverse wave?• Can you label a longitudinal wave?• Can you find the Wavelength, frequency,
period and speed of a wave?
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