Science Home Product Information Site Map Search Contact Us   Glencoe Online
Quizzes Quiz

Practice Test
  1.Which of the following will you hear as a high pitch?  
  a.   sound wave with intensity of 10 dB  
  b.   sound wave with frequency of 50 Hz  
  c.   sound wave with intensity of 100 dB  
  d.   sound wave with frequency of 10,000 Hz  
  2.__________ waves are sound frequencies above 20,000 Hz.  
  a.   Supersonic  
  b.   Ultrasonic  
  c.   Infrasonic  
  d.   Subsonic  
  3.In which of the following mediums will sound travel fastest?  
  a.   brick  
  b.   oil  
  c.   air  
  d.   water  
  4.The echoing effect produced by many reflections of sound is called __________ .  
  a.   reverberation  
  b.   rarefaction  
  c.   resonance  
  d.   intensity  
  5.The __________ is a spiral-shaped structure filled with liquid.  
  a.   anvil  
  b.   hammer  
  c.   stirrup  
  d.   cochlea  
  6.The intensity of sound is measured in units called __________ .  
  a.   reverberations  
  b.   hertz  
  c.   decibels  
  d.   dopplers  
  7.The matter through which all sound waves travel is called __________ .  
  a.   a medium  
  b.   atmosphere  
  c.   air  
  d.   water  
  8.In the human ear, sound waves are gathered in the __________ .  
  a.   cochlea  
  b.   middle ear  
  c.   inner ear  
  d.   outer ear  
  9.The change in pitch due to a moving wave source is called __________ .  
  a.   a rarefaction  
  b.   the compressional effect  
  c.   the Doppler effect  
  d.   resonance  
  10.What type of waves are sound waves?  
  a.   transverse  
  b.   radio  
  c.   sonar  
  d.   compressional  
  11.Sounds are produced by __________ .  
  a.   vibrations  
  b.   frequencies  
  c.   reverberations  
  d.   pitch  
  12.Sound waves cannot travel in __________.  
  a.   gases  
  b.   empty space  
  c.   solids  
  d.   liquids  
  13.__________ is the ability of a medium to vibrate by absorbing energy at its natural frequency.  
  a.   Reverberation  
  b.   Resonance  
  c.   Overtone  
  d.   Quality  
  14.__________ is the amount of energy that flows through a certain area in a specific amount of time.  
  a.   Frequency  
  b.   Pitch  
  c.   Loudness  
  d.   Intensity  
  15.The process of locating objects by emitting sounds and interpreting the reflected sound waves is __________ .  
  a.   ultrasound  
  b.   sonar  
  c.   radar  
  d.   echolocation  
  16.The study of sound is __________ .  
  a.   linguistics  
  b.   acoustics  
  c.   ultrasonics  
  d.   sonar  
  17.The two types of regions that make up compressional waves are __________ .  
  a.   vibrations and transmissions  
  b.   compressions and extensions  
  c.   compressions and rarefactions  
  d.   compressions and transmissions  
  18.What is the difference between music and noise?  
  a.   It is strictly a matter of opinion.  
  b.   Music follows a specified pattern of sounds and pitches; noise has no pattern.  
  c.   Music has a wider range of frequencies than noise.  
  d.   Noise has a greater intensity than music.  
  19.__________ is a system that uses the reflection of underwater sound waves to detect objects.  
  a.   Radar  
  b.   Sonar  
  c.   Ultrasound  
  d.   Echolocation  
  20.How does temperature of a medium affect the speed of sound waves?  
  a.   As the temperature of a substance increases, sound waves in it move more slowly.  
  b.   As the temperature of a substance increases, sound waves in it move faster.  
  c.   As the temperature of a substance decreases, sound waves in it move faster.  
  d.   Temperature does not affect the speed of sound waves.  

McGraw-Hill / Glencoe
The McGraw-Hill Companies