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

Practice Test
      
  1.__________ is the amount of energy that flows through a certain area in a specific amount of time.  
  a.   Intensity  
  b.   Frequency  
  c.   Pitch  
  d.   Loudness  
  Hint    
      
  2.In the human ear, sound waves are gathered in the __________ .  
  a.   inner ear  
  b.   middle ear  
  c.   outer ear  
  d.   cochlea  
  Hint    
      
  3.The human perception of sound frequency is __________ .  
  a.   loudness  
  b.   intensity  
  c.   resonance  
  d.   pitch  
  Hint    
      
  4.The two types of regions that make up compressional waves are __________ .  
  a.   compressions and rarefactions  
  b.   compressions and transmissions  
  c.   compressions and extensions  
  d.   vibrations and transmissions  
  Hint    
      
  5.The change in pitch due to a moving wave source is called __________ .  
  a.   resonance  
  b.   a rarefaction  
  c.   the compressional effect  
  d.   the Doppler effect  
  Hint    
      
  6.A(n) __________ is a vibration whose frequency is a multiple of the fundamental frequency.  
  a.   reverberation  
  b.   natural frequency  
  c.   overtone  
  d.   resonant frequency  
  Hint    
      
  7.__________ is the ability of a medium to vibrate by absorbing energy at its natural frequency.  
  a.   Reverberation  
  b.   Overtone  
  c.   Resonance  
  d.   Quality  
  Hint    
      
  8.__________ is a system that uses the reflection of underwater sound waves to detect objects.  
  a.   Radar  
  b.   Ultrasound  
  c.   Sonar  
  d.   Echolocation  
  Hint    
      
  9.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.   Noise has a greater intensity than music.  
  d.   Music has a wider range of frequencies than noise.  
  Hint    
      
  10.The human perception of sound intensity is __________ .  
  a.   acoustics  
  b.   loudness  
  c.   frequency  
  d.   pitch  
  Hint    
      
  11.What describes the differences among sounds of the same pitch and loudness?  
  a.   quality  
  b.   acoustics  
  c.   overtone  
  d.   resonance  
  Hint    
      
  12.What type of waves are sound waves?  
  a.   transverse  
  b.   radio  
  c.   compressional  
  d.   sonar  
  Hint    
      
  13.The echoing effect produced by many reflections of sound is called __________ .  
  a.   intensity  
  b.   resonance  
  c.   reverberation  
  d.   rarefaction  
  Hint    
      
  14.How does temperature of a medium affect the speed of sound waves?  
  a.   As the temperature of a substance decreases, sound waves in it move faster.  
  b.   As the temperature of a substance increases, sound waves in it move more slowly.  
  c.   Temperature does not affect the speed of sound waves.  
  d.   As the temperature of a substance increases, sound waves in it move faster.  
  Hint    
      
  15.The intensity of sound is measured in units called __________ .  
  a.   dopplers  
  b.   decibels  
  c.   reverberations  
  d.   hertz  
  Hint    
      
  16.The process of locating objects by emitting sounds and interpreting the reflected sound waves is __________ .  
  a.   sonar  
  b.   ultrasound  
  c.   radar  
  d.   echolocation  
  Hint    
      
  17.Sound waves cannot travel in __________.  
  a.   solids  
  b.   liquids  
  c.   empty space  
  d.   gases  
  Hint    
      
  18.In which of the following mediums will sound travel fastest?  
  a.   water  
  b.   brick  
  c.   air  
  d.   oil  
  Hint    
      
  19.Which of the following will you hear as a high pitch?  
  a.   sound wave with intensity of 100 dB  
  b.   sound wave with frequency of 50 Hz  
  c.   sound wave with intensity of 10 dB  
  d.   sound wave with frequency of 10,000 Hz  
  Hint    
      
  20.The __________ is a spiral-shaped structure filled with liquid.  
  a.   cochlea  
  b.   hammer  
  c.   anvil  
  d.   stirrup  
  Hint    

 
   
McGraw-Hill / Glencoe
The McGraw-Hill Companies