Grade 9 Ear Anatomy Worksheet
Explore the structure and function of the human ear with this Grade 9 science worksheet, covering its various parts and their roles in hearing and balance.
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Grade 9 Ear Anatomy Worksheet
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Read each question carefully and answer to the best of your ability. Refer to the provided diagram where necessary.
Study the diagram of the human ear below to answer the following questions.
1. Which part of the ear is responsible for collecting sound waves from the environment?
Cochlea
Pinna
Eardrum
Ossicles
2. The three small bones in the middle ear are collectively known as the:
Semicircular canals
Vestibule
Ossicles
Auditory nerve
3. The primary function of the Eustachian tube is to the pressure between the middle ear and the outer atmosphere.
4. The is a snail-shaped, fluid-filled structure in the inner ear responsible for converting sound vibrations into nerve impulses.
5. The semicircular canals are primarily involved in the sense of hearing.
True
False
6. The eardrum, also known as the tympanic membrane, vibrates when sound waves hit it.
True
False
7. Briefly describe the path of a sound wave as it travels from the outer ear to the inner ear, mentioning the main structures involved.
Use the words below to complete the sentences.
8. The three ossicles are the , the , and the .
9. Vibrations from the stapes are transmitted to the inner ear through the .