Set: sound test

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All 17 Terms

Term Definition
waves regular disturbances caused by bumping molecules
volume how loud or soft a sound is
vibration rapid, back-and-forth movement that produces sound
pitch the way a person perceives the frequency
frequence the number of timesan object vibrates in a given amount of time
absorbed the act or process of being soaked up;to take in without echo
sonar (Sound Navigation and Ranging)a way of locating underwater objects by means of sound waves reflected from or produced by the object
ultrasonic sound waves with frequencies higher then the range or limits of human hearing
pinna visible part of the outer ear. It collects sound and directs it into the auditory canal
auditory canal the tube through which sound travels to the eardrum
eardrum a thick membrane that vibrates when sound waves reach it
hammer a tiny bone that passes vibrations from the eardrum to the anvil
anvil a tiny bone that passes vibrations from the eardrum to the stirrup
eustachian tube a tube that connects the middle ear to the back of the nose; it equalizes the pressure between the middle ear and the air outside
cochlea a spiral-shaped, fluid-filled structure in the inner ear; it is lined with tiny hairs that move when vibrated and cause a nerve impulse to form
semicircular canals three loops of the fluid-filled tubes that are attached to the cochlea; They help us with our sense of balance
auditory nerve carries electro-chemical signals from the inner ear (the cochlea) to the brain

Set Information

Terms 17
Creator soccerluv123
Created November 21, 2007
Groups None
Tag science
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Most Missed Words

  1. ultrasonic → sound waves with frequencies higher then the range or limits of human hearing - 3 misses
  2. semicircular canals → three loops of the fluid-filled tubes that are attached to the cochlea; They help us with our sense of balance - 3 misses
  3. pinna → visible part of the outer ear. It collects sound and directs it into the auditory canal - 2 misses
  4. anvil → a tiny bone that passes vibrations from the eardrum to the stirrup - 2 misses
  5. eustachian tube → a tube that connects the middle ear to the back of the nose; it equalizes the pressure between the middle ear and the air outside - 2 misses
  6. auditory nerve → carries electro-chemical signals from the inner ear (the cochlea) to the brain - 2 misses
  7. waves → regular disturbances caused by bumping molecules - 1 miss