Show:
People
Vocab
Parts of the Ear
Short Answer
Misc.
100
invented the telephone
What is Alexander Graham Bell
100
a reflected sound that is heard again
What is echo
100
3 small bones of the inner ear
What is hammer, anvil, & stirrup
100
range of frequencies the human ear can hear
What is 20-20,000 vibrations per second
100
only class of animals with auricles
What is mammals
200
proved that sound waves do not travel through empty space
What is Robert Boyle
200
number of sound waves that a virating object produces each second
What is frequency
200
the outer, fleshy part of the ear
What is auricle
200
speed of sound
What is 1,100 ft./sec
200
high frequency sounds have HIGH or LOW pitch
What is high pitch
300
invented the phonograph
What is Thomas Edison
300
Structure that contains the vocal cords
What is larynx
300
thin membrane separating the outer ear from the inner ear
What is eardrum
300
2 animals that locate things by echoes
What is bat & dolphin
300
low frequency sounds have HIGH or LOW pitch
What is low pitch
400
discovered that bats use their ears to "see"
What is Lazzaro Spallanzani
400
highness or lowness of sound
What is pitch
400
snail-shaped organ of hearing in the inner ear
What is cochlea
400
tighter vocal cords are pulled, the HIGHER or LOWER your voice will be
What is higher
400
why you see a skyrocket explode before you hear it
What is light travels faster than sound
500
taught the hearing impaired
What is Alexander Graham Bell
500
sound vibrations
What is sound waves
500
nerve that carries the message of sound to the brain
What is auditory nerve
500
feeling vibrations & copying them
What is how a hearing-impaired person learns to speak
500
molecules of air MOVE or DON"T MOVE from the place where the sound began all the way to your ears
What is Don't move