AY Honors/Hearing/Requirements

Hearing

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Year Introduced:

1. How many parts of the outer ear are there? How do they function?

2. Activity 1 – Make a model eardrum (Also known as the tympanic membrane).

3. What are the ‘auditory ossicles’ and name their parts.

4. What is the function of the middle ear?

5. Is the Eustachian tube a part of the middle ear? What is its function?

6. Which is true about the inner ear and balance?
a. The semi-circular canals detect linear motion
b. The utricle and saccule detect linear motion
c. The cochlea detects linear motion
d. The utricle and saccule detect rotary motion

7. Select the statements which are TRUE for the Cochlea.
a. It is found in the outer ear
b. It makes vibrations
c. It turns vibrations into electrical signals
d. Signals are sent from the cochlea to the auditory nerve
e. C and D

8. Mention the steps to good ear hygiene.

9. What are some ways which can help you to protect your ear from damage or hearing loss?

10. Why is hearing very important in life? Do humans hear better or worse as they get older?

11. Activity 2 – Measuring sound distances.

12. Select all the statements which apply to a ‘sound source’.
a. An object vibrates
b. Vibrations vibrate air particles
c. The brain
d. A drum
e. A, B and D
f. A, C and D

13. What is a sound wave caused by?
a. A moving flow of Electrons
b. Pitch
c. Volume
d. Vibration of air particles
e. All the above
f. A and C

14. Activity 3 – Observing differences in sounds.

15. Find at least four Bible texts that specifically mention hearing or the ear.

16. Summarize in your own words one Biblical story that refers to the sense of hearing.