The Eye
This is the opening in the eye through which light enters.
Pupil
This is the large outer structure of the ear that gathers sound waves and funnels them inside the ear.
Pinna
What does supersonic mean?
Faster than the speed of sound
The most common type of color blindness is?
Red-Green Color Blindness
What Greek letter is used to represent wavelength in mathematical formulas?
Lambda
This is the colored portion of the eye.
Iris
This is the thin, flexible membrane that separates the outer ear from the middle ear.
eardrum (tymphanic membrane)
What is the unit used to measure the loudness of sound?
decibel
The item that creates light is referred to as the what?
Light source
What is the formula for finding the speed of a wave?
v = f x lambda
This is the light sensitive lining of the back of the eye that transforms light into electrical impulses.
Retina
This is the spiral-shaped organ in the inner ear that transforms sound waves to electrical impulses.
Cochlea
The speed of sound is approximately
343 m/s
A substance or item that allows almost all light to pass through is said to be what?
Transparent
The frequency of a wave is measured in what?
Hertz
These are the two types of specialized cells that make up the retina.
Rods and Cones
These are the 3 tiny bones in the middle ear.
malleus, stapes, incus
What is a group of organized sounds referred to as?
Music
This is a substance that gives color to other materials.
Pigment
What are the 2 main types of lenses?
Convex and concave
The _?_ cells are sensitive to black and white and work in low light; the _?_ cells are sensitive to color and must have a certain amount of light to work.
Rods; cones
These are the tiny structures that can get infected and cause you to lose your balance.
Semicircular canals
The change in the loudness of a sound as a result of the movement of the source of the sound to an observer standing still is called what?
Doppler Effect
Any reflective surface that bounces off light and produces either a real image or a virtual image can be called a what?
mirror
What decibel level is considered to be the the threshold of pain for the human ear?
84 decibels