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Study for Light Test

i am going to study on this and maybe get a good grade

TermDefinition
Light a form of energy
transparent transparent materials allow almost all the light that hits them to pass through
translucent translucent materials let some light pass through but scatter other light
opaque opaque objects do not let any light pass through them
pupil opening that lets light in
Iris attracts attention
optic nerve sends pictures to the brain
vitreous humor holds the jelly of salts and protein
lens focuses the light
sclera the white covering
retina the picture is upside down there
muscle opens up pupil in dim light, closes in bright light
cornea outside layer
blood vessels bring food to the eye
refraction bending of a wave caused by the change of speed that occurs when the wave passes from one medium into another.
reflection the bouncing back of a wave off an object or surface
absorption the taking in of light energy by an object
focal point light enter a curved glass at different angles then come together at the focal point
ultra-violet light very fast light that can cause a sun burn
infrared light very slow light that gives off heat and is visible to some animals such as a Pit Viper
wavelengths measurement from Crest to Crest or trough to trough
eyelids a piece of skin that covers your eye
eyelashes hair growing from your eyelids
Tapetum in animals that are nocturnal
tear duct outside of your eye on the right and left side
rainbow red, orange,yellow, green, blue, purple Roy G. Biv
prism a glass object that light goes through and bends, then comes out as a rainbow
Created by: peacegirl04