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12 Cards in this Set

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  • Back
Evidence that sound is a wave includes:
FREQUENCY/PITCH
WAVELENGTH
SPEED = FREQUENCY x WAVELENGTH
RESONANCE
REFLECTION, REFRACTION, ABSORPTION, INTERFERENCE, DIFFRACTION
Fluid-filled organ in the inner ear
COCHLEA
Two functions of the cochlea
HEARING, BALANCE
Pathway of sound waves allowing us to hear
EAR CANAL, EAR DRUM, INNER EAR BONES, COCHLEA, NERVES, BRAIN
How we hear different frequencies
TRAVELS DIFFERENT DISTANCE INTO THE COCHLEA
What is the range of frequencies humans can hear?
20 to 20000 Hz
What is the main cause of hearing loss?
AGE
What are other causes of hearing loss?
INFECTION, LOUD NOISE, INJURY
Humans hear what range of frequencies the best?
100-2000 Hz
Sounds greater than 100,000 Hz are called
ULTRASOUND
What is ultrasound used for?
medical images
What property of waves do ultrasound techniques use?
REFLECTION