Eye Anatomy Exploration
A Grade 7 science worksheet focusing on the anatomy and function of the human eye.
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Standards
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Eye Anatomy Exploration
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 as needed.
The Human Eye
1. Which part of the eye is responsible for controlling the amount of light that enters the eye?
Cornea
Iris
Lens
Retina
2. What is the function of the retina?
To focus light onto the pupil
To protect the front of the eye
To detect light and send signals to the brain
To produce tears
3. The clear, outer layer at the front of the eye that helps to focus light is called the .
4. The is a transparent, biconvex structure in the eye that, along with the cornea, helps to refract light to be focused on the retina.
5. The nerve that carries visual information from the retina to the brain is the .
6. The pupil is a muscle that changes the shape of the lens.
True
False
7. Rods and cones are types of photoreceptor cells found in the retina.
True
False
8. Describe the path that light takes as it enters the eye and travels to the brain, naming at least three structures it passes through.
Match each part of the eye with its correct function.
9. Cornea
a. Focuses light onto the retina
10. Iris
b. Transparent outer layer, protects the eye
11. Lens
c. Controls the size of the pupil
12. Optic Nerve
d. Transmits visual signals to the brain
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