The Ear
Issues with the Ear
Sound -1
Sound-2
The Ear-2
100
name the 3 sections of the ear
What is the inner ear, middle ear, & outer ear?
100
germs, such as bacteria and viruses, get inside the ear and cause problems
What is an ear infection?
100
Sound is measured in...
What are decibels (dB)?
100
is the loudness or softness of a sound and depends on how strong the object is vibrating.
Intensity
100
the name of the liquid found inside the cochlea
Lymph
200
when sound hits the eardrum, ________ are created
What are vibrations?
200
name two treatments for ear infections
What pain medicine and ear drops?
200
sound travels as ________
waves
200
the sound heard when vibrations bounce back from an object
Echo
200
sends signals to the brain.
Auditory nerve
300
Spiral shaped organ containing liquid
What is the cochlea?
300
name two symptoms of ear infections
What is hearing loss, pain, pressure, puss, redness of eardrum?
300
Sound travels ________ than light
slower
300
form of energy caused by an object that is moving back and forth.
What is sound
300
The tube between the outer ear and the ear drum
What is ear canal
400
___ ____ connects the inner ear and throat
What is the Eustachian tube?
400
Two symptoms of swimmer's ear
painful outer ear, red ear canal, itching in ear, pressure, painful to put ear in or under water
400
sound can travel through ________,__________ and ________________
solids, liquids and gases
400
That sound travels more quickly through ______ than ______ and ______
That sound travels more quickly through solids than liquids and gases.
400
The voice box is also known as a ______
What is larynx
500
name the 3 bones in the middle ear
What is the hammer, anvil, and stirrup?
500
Why is earwax important?
it protects and moisturizes the ear canal, it fights off infections, acts as a shield between the outside world and the ear drum
500
When an object vibrates very fast the pitch is..?
very high
500
These three parts of the ear can all fit onto a penny
hammer, anvil, stirrup
500
Which scientist studied the ear and sound
Alexander Graham Bell
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