Parts of the Eye and Their Functions

Match the part of the eye to the correct label

a

b

c

d

e

f

Lens

Cornea

Pupil

Iris

Optic nerve

Retina

The cornea ________ light

The pupil lets in _____

Tags

NGSS.HS-LS1-5

The part of the eye that control the size of the pupil is the

The part of th eye that carries messages from the retina to the brain is the

Tags

NGSS.MS-LS1-3

The part of the eye that focus light onto the retina is the

Put these steps in order to explain how we can see objects

• The retina is connected to the optic nerve, which sends messages to the brain to process

• Rays of light refracted by the lens. 

• Rays focus (meet) on the retina.

• Rays of light are refracted by the cornea

• Light rays are reflected off an object

Tags

NGSS.MS-LS1-8

What is the function of the pupil?

• Refracts light

• Controls the size of the pupil

• Light sensitive layer at the back of the eye

• Lets light in

• Carries messages from the retina to the brain

What is the function of the cornea?

• Refracts light

• Controls the size of the pupil

• Light sensitive layer at the back of the eye

• Lets light in

• Carries messages from the retina to the brain

What is the function of the iris?

• Refracts light

• Controls the size of the pupil

• Light sensitive layer at the back of the eye

• Lets light in

• Carries messages from the retina to the brain