people and more
Sound wave travel fastest through this state of matter
Solids
Sound is a form of this
energy
Bats and ________ hear the highest frequency sounds.
dolphins
echo
The snail shaped organ filled with fluid
Sound travels _______ than light
Sound waves cannot travel through this
empty space
The _______ "sees" with ears
Bat
What is the snail shaped part of the ear that contains the actual organ of hearing
cochlea
The fleshy part of the ear
Auricle
the inventor of the phonograph
Thomas Edison
Speech is produced by the vibrations of the
vocal cords
__________ are the only animals that have visible outer ears.
mammals
this helps determine the depth of the water and locating objects in the sea
Sonar
The think membrane separating the outer ear from the middle ear is the _________
ear drum
the inventor of the telephone
Alexander Graham Bell
The __________ear includes the hammer, anvil, and stirrup
middle
the bird that walks down a tree headfirst
nuthatch
Two ears are better than one why?
they help you hear which direction a sound is coming from
the three bones in the ear are called
the hammer, anvil, and stirrup
Robert Boyle
The auditory ______ carries the message of sound to the brain.
nerve
the bossy bird that plants oak trees
blue jay
The lowest frequency that a human ear can hear is ___ times per second.
20
the nerve which carries the message of sound to the brain is the ________ nerve
auditory