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This is a worksheet on the parts of an eye
Science, P.E. & Health
6, 5, 4
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?
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
Follow up: An online video of a dissection of a cow’s eye.
Write the names of the parts of the eye and their functions in the proper boxes. The clue list is there to help you.
- Ciliary Muscle
- Optic Nerve
- 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.
Lens Retina Ciliary Muscle Optic Nerve Pupil Cornea Iris
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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