This is a worksheet on the parts of an eye

Subject(s): Science, P.E. & Health Grades(s): Grades 6-7, Grades 4-5

Title – How does an eye work?

By – Casandre Laurent-Daniels

Primary Subject – Health / Physical Education

Secondary Subject – Science
Grade Level – 4-6

Objective: The student will be able to identify the main parts on an eye

Aim: What are the main parts of an eye?

Motivation: Who can tell me how an eye functions?

Procedure:

1. Ask the student the motivation question. Create a KWL chart on chart paper.

2. Present the class with a color transparency of a human eye with each part numbered.

3. Give each student the same copy with the chart to fill in.

4. Identify each part of the eye and the function that it has.

5. Give the student a copy of the work sheet with an example of the eye

Assessment: Test

Follow up: An online video of a dissection of a cow’s eye.

www.exploratorium.edu/learning_studio/cow_eye/

Student worksheet

Write the names of the parts of the eye and their functions in the proper boxes. The clue list is there to help you.

Number	Part Name	Function
1	.	.
2	.	.
3	.	.
4	.	.
5	.	.
6	.	.
7	.	.

Part Names

Lens

Retina

Ciliary Muscle

Optic Nerve

Pupil

Cornea

Iris

Functions

Contains cells that detect light

Opening to the inner eye

Controls the size of the pupil

Focuses image of object

Controls shape of lens

Transmits information to brain

Outermost transparent layer of eye, begins focusing process

Below is a drawing of the eye with some of the more important parts numbered. Write the names of the parts of the eye and their functions in the proper boxes. The clue list is there to help you.

Word bank

Lens Retina Ciliary Muscle Optic Nerve Pupil Cornea Iris

ANSWERS:

1. Cornea. Outermost transparent layer of eye. Begins focusing process.

2. Pupil. Opening to the inner eye.

3. Iris. Controls size of pupil.

4. Lens. Focuses image of object (on retina).

5. Retina. Contains cells that detect light.

6. Ciliary muscle. Controls shape of the eye.

7. Optic Nerve. Transmits information to the brain.

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Casandre Laurent-Daniels

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Subject(s): Science, P.E. & Health Grades(s): Grades 6-7, Grades 4-5

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