how the eye works
intensity
how the ear works
light and sound
mix it up
100
what is the cornea
What is the protective layer over the eye
100
how is intensity measured
What is decibles
100
what is the ear drum
What is a thin membrane that vibrates when a sound wave hits it
100
what does refract mean
What is when light bends
100
what are the orbital muscles
What is the muscles that control the eye
200
what is the pupil
What is the part of the eye where light enters the eye
200
what is intensity
What is the amount of energy a sound wave has
200
what are the hammer, anvil and stirrup?
What is three small bones in the inner ear that carry vibrations to the inner ear
200
what is reflect
What is when light bounces off an object
200
what does transluscent mean
What is clear but not completely see through
300
what is the retina
What is the part of the eye that recieves images
300
what is amplification
What is the increasing strength of an electrical signal
300
what is ear canal
What is a thin long tube that carrys the sound waves to the ear drum
300
what is a wavelength
What is the distance between two crests on a wave
300
what is the blind spot
What is the part of the eye that does not receive any images
400
what is the iris
What is the part of the eye that controls the pupils light intake
400
what are acoustics
What is the way sound echos or bounces off an object
400
what is the pinna (hasnt been learned yet)
What is the outer ear
400
what is the trough of a wave
What is the lowest point in a wave
400
DAILY DOUBLE!!! what does opaque mean and give one example (example will not count agianst but will count as an extra 50 points)
What is non see through
500
what is the optic nerve
What is the nerve in the eye that sends images to the brain
500
how do you change the intensity of a sound
What is by adding or taking energy away from the sound wave
500
what is the cochlea
What is the inner part of the ear that contains hairs
500
what is the crest of a wave
What is the highest point in a wave
500
about how many hairs are in the cochlea
A) 10,000 B) 900 C) 30,000 D) grilled cheese sandwich
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