Grade 9 Eye Anatomy Worksheet
A worksheet for Grade 9 science students to learn about the anatomy and functions of the human eye.
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Grade 9 Eye Anatomy Worksheet
Name:
Date:
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Read each question carefully and answer to the best of your ability. Refer to the diagram of the human eye when necessary.
Human Eye Cross Section
1. Which part of the eye is responsible for controlling the amount of light entering the eye?
Cornea
Retina
Iris
Lens
2. The transparent outer layer that protects the front of the eye is called the:
Sclera
Pupil
Cornea
Choroid
3. The is the light-sensitive layer at the back of the eye that contains photoreceptor cells.
4. The is a clear, flexible structure that focuses light onto the retina.
5. The optic nerve transmits visual information from the to the brain.
6. Describe the function of the pupil and how it changes in different light conditions.
7. Explain the difference between rods and cones in the retina.
8. The sclera is commonly known as the 'white of the eye'.
True
False
9. The vitreous humor is a watery fluid that fills the front chamber of the eye.
True
False
Match each part of the eye with its correct function.
10. Iris
a. Focuses light onto the retina
11. Lens
b. Contains photoreceptors (rods and cones)
12. Retina
c. Controls pupil size and eye color
13. Optic Nerve
d. Transmits visual signals to the brain
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