Mixed Signals
These create sound waves.
A vibration that transfers energy from place to place.
What is a wave?
The first bone that receives vibrations from the eardrum.
The part of the ear that acts as a funnel to collect sound waves.
What is the outer ear?
This section of the ear contains the ear drum and the three tiny bones.
What is the middle ear?
The scientific name for the eardrum.
What is the tympanic membrane?
In regards to sound waves, this is the number of vibrations per second.
What is frequency?
The unit used to measure wave frequency.
What is hertz?
A tightly stretched membrane that vibrates as sound waves reach it.
What is the ear drum?
The part of the brain that contains the auditory cortex.
What is the temporal lobe?
Where part of the ear where hearing actually happens.
What is the inner ear or cochlea?
This is how we hear and interpret the frequency of a sound.
This carries the nerve impulses from the cochlea to the brain.
The section of the ear that provides the sense of hearing.
What is the inner ear?
This bone's claim to fame is that it is the smallest bone in the human body.
What is the stapes?
A spiral shaped, fluid-filled cavity of the inner ear that contains nerve endings essential to hearing.
What is the cochlea?
The speed of sound.
What is 340 m/second?
The space between the outer ear and the ear drum.
What is the ear canal?
This is the approximate range that humans can hear.
What is 20 Hz to 20,000 Hz?
In regards to the Doppler Effect, the pitch is "this" when an object is moving towards you.
What is higher?
An increase (or decrease) in the frequency of sound, light, or other waves as the source and observer move toward (or away from) each other.
What is the Doppler Effect?
The fluid in the three semi-circular canals of the cochlea helps to provide a sense of "this".
What is balance?
The second bone that vibrates behind the ear drum.
What is the incus?
Spell the part of the ear that contains neurons that convert sound waves into nerve impulses.
What is C-O-C-H-L-E-A?