Light alway travels in
What is a straight line?
Material that does not allow light through
What is opaque?
The opening that allows light to enter the eye
What is the pupil?
The "day's eye" which opens at dawn and closes at night
What is the daisy?
Animals which eat meat
What are carnivores?
The bending of light rays
What is refraction?
Material that allows light to pass straight through it.
What is transparent?
The muscles that regulate the size of the pupil
What is the iris?
A showy plant that holds thousands of "pots of gold"
What is the goldenrod?
Animals that are active only at night
What is nocturnal?
A red object appears red because the object is doing this with the red light
What is reflecting the red light?
Material that allows light through without seeing what is on the other side
What is translucent?
The transparent layer covering the front of the eyeball
What is the cornea?
A prickly stemmed composite that attracts painted lady butterflies and goldfinches
What is a thistle?
Whales and dolphins have a layer of this instead of fur
What is blubber?
The series of colored bands that are created when sunlight is separated.
What is the spectrum?
A mirror which bulges toward the viewer and makes things look smaller
What is a convex mirror?
The large bundle of fibers that carries the message of what the eye has seen to the brain
What is the optic nerves?
A late autumn composite with colorful ray flowers and more than one flower head per stem?
What is an aster?
The largest group of mammals
What are rodents?
An object appears black because it has done this with the light.
What is absorbed?
A lens which refracts light rays and brings them into focus
What is a convex lens?
The structure behind the pupil that refracts and focuses the light it receives
What is the lens?
A daisylike yellow and brown flower that is the state flower of Maryland
What is the black-eyed Susan?
Animals which chew the cud
What are ruminants?