These blink to keep your eyeballs clean, moist, and protected.
What are eyelids?
This part collects light and helps to focus it
What is the lens?
This is the bouncing of a light wave off a surface.
What is reflection?
This is the bending of a light wave as it passes from one substance to another.
What is refraction?
You see images when light ___________ off an object and enters your eye.
What is reflects?
This is the part of the eye that gets bigger and smaller to let light in.
What is the pupil?
This part has cells called rods and cones.
What is the retina?
The angle a light ray comes in and the angle a light ray goes back out is ___________.
What is the same or equal?
Light ______ angle when it passes from one substance to another.
What is changes?
These are materials that allow most light to pass through it.
What are transparent materials?
This is the colored part of the eye.
What is the iris?
These cells help you see color.
What are cones?
When you look at this type of mirror the image seems to be behind the mirror.
What is a flat mirror?
When light hits this type of lens the lights path shifts a little but doesn't change.
What is a flat lens?
These are materials that blur light as it passes through.
What are translucent materials?
This is the white part of the eye.
What is the sclera?
These cells help you see black, white, and gray
What are rods?
This type of mirror curves inward. If you stand too close your image will appear larger than you are. If you stand far away your image will be smaller and upside down.
What is a concave mirror?
Objects always look smaller when you look through this type of lens.
What is a concave lens?
These are materials that allow little or no light through.
What are opaque materials?
This is the empty space in your skull where your eyeball sits.
What is the eye socket?
This is the nerve that helps to send messages to be interpreted.
What is the optic nerve?
This type of mirror is curved outward. images in this type of mirror appear smaller. Cars use these for sideview mirrors.
What is a convex mirror?
The image you see when you look at an object through this type of lens depends on how far away the object is. Up close, the lens will cause the object to look bigger. Far away, the image will appear upside down and will be smaller.
What is a convex lens?
Some objects block light. This is the darker area behind the object.
What is a shadow?