The Eyes You See
The Eye Inside
Lights and Mirrors
A Different Focus
Can You See This?
100

These blink to keep your eyeballs clean, moist, and protected.

What are eyelids?

100

This part collects light and helps to focus it

What is the lens?

100

This is the bouncing of a light wave off a surface.

What is reflection?

100

This is the bending of a light wave as it passes from one substance to another.

What is refraction?

100

You see images when light ___________ off an object and enters your eye.

What is reflects?

200

This is the part of the eye that gets bigger and smaller to let light in.

What is the pupil?

200

This part has cells called rods and cones.

What is the retina?

200

The angle a light ray comes in and the angle a light ray goes back out is ___________.

What is the same or equal?

200

Light ______ angle when it passes from one substance to another.

What is changes?

200

These are materials that allow most light to pass through it.

What are transparent materials?

300

This is the colored part of the eye.

What is the iris?

300

These cells help you see color.

What are cones?

300

When you look at this type of mirror the image seems to be behind the mirror.

What is a flat mirror?

300

When light hits this type of lens the lights path shifts a little but doesn't change.

What is a flat lens?

300

These are materials that blur light as it passes through.

What are translucent materials?

400

This is the white part of the eye.

What is the sclera?

400

These cells help you see black, white, and gray

What are rods?

400

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?

400

Objects always look smaller when you look through this type of lens.

What is a concave lens?

400

These are materials that allow little or no light through.

What are opaque materials?

500

This is the empty space in your skull where your eyeball sits.

What is the eye socket?

500

This is the nerve that helps to send messages to be interpreted.

What is the optic nerve?

500

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?

500

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?

500

Some objects block light. This is the darker area behind the object.

What is a shadow?