Share Science L4 The Ear and Hearing
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What 2 functions do the ears have?
Sound/hearing and balance
What is the pitch of sound? The highness and lowness OR the level in decibels
Highness and lowness
If the vibration of sound is fast. Will it be a high sound or a low sound?
High sound
If the vibration is slow, will it be a high sound or a low sound?
Low sound
What are sound waves? Are they energy OR particles
Energy
What are the main parts of the outer ear? The pinna and ear canal OR the 3 bones that vibrate
Pinna and ear canal
In which part of the ear do you find the oval window? Inner or middle ear
Middle ear/between the middle and inner ear
What do the 3 bones in the middle ear do when activated?
They vibrate to send the sound waves into the inner ear
What is the main job of the pinna on the outer ear?
Collect sound waves
Earwax is important in the ear. What is its function?
Traps dirt and particles and fights germs to keep the ear clean
What is the tympanic membrane ? What is its common name?
Eardrum
The inner ear has 2 main parts called the cochlear and the semi-circular canals. Which one is for sound?
Cochlear
Which part of the inner ear is responsible for your balance? The tympanic membrane or the semi-circular canals
Semi-circular canals
What structure do the sound waves move along from the outer ear to the middle ear? The nerve canal OR the ear canal?
Ear canal/auditory canal
What is the job of the middle ear where the 3 small bones are?
Turn sound waves into vibrations
What must the cochlea do to create sound? Convert vibrations into sound waves OR convert sound waves into nerve signals
Convert sound waves into nerve signals
