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Science
Our Eyes
5
Science
4th Grade
05/26/2008

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Cards

Term
cornea
Definition

the clear, outer

covering on the front

of the eyelids

Term
iris
Definition

the colored part of the eye

that controls the amount of light

 entering the eye

Term
optic nerve
Definition

the cord of neves

that sends messages

from the eye to the brain

Term
pupil
Definition

the black opening in the iris

 where light enters the eye

Term
retina
Definition

the back inside surface of the eyeball

where images form

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