Eyes
Structure
Movement or Sensory?
Eye Models
100

The clear layer in the front of an eye.

Cornea lens

100

It is the meat part of any animal.

Muscle

100

These nerves send messages from the brain to the muscles.

Movement nerves

100

Why do nocturnal animals see better at night than we do?

Larger pupil and some have a glowing cells on their retinas

200

It's the screen at the back of the eye.

Retina

200

It is the string that connects muscle to a bone.

Tendon

200

These nerves send messages from the senses to the brain.

Sensory nerves

200

What item in our eye model did we use to represent the cornea lens?

Magnifying lens

300

It's the opening in the iris that lets light into the eye.

Pupil

300

It is the place where two bones meet and can move.

Joint

300

When our eye takes in an image, how does it appear on our retina?

The image appears upside down

300

What item in our eye model did we use to represent the retina?

index card

400
It's the colored part of the eye, a muscle that controls how much light enters the pupil.

Iris

400

It is part of the skeleton.

Bone

400

When we see a penny on the floor which set of nerves sends a message to the brain?

Sensory nerves

400

The tree on my retina is blurry, what is something that I can do to make the image crisp and clear?

Change the distance between the retina and the cornea lens.

500

It is what a person sees that has a cloudy cornea lens.

Blurred vision

500

It is what we call all the bones together.  It is the structure of a body.

Skeleton

500

When picking the penny up from the floor, which set of nerves allows us to do that?

Movement nerves

500

John wants to make an eye model. He has a magnifying lens, a flashlight, a piece of paper, and a donut. In which order should he arrange these objects to make an eye model that allows light to reach the retina?

Flashlight, magnifying lens, donut, paper