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How the Ear Works

How the Ear Works. 6 th Grade Science. Parts of the Ear. The ear is divided into 3 main parts: Outer Ear Middle Ear Inner Ear. The Outer Ear* . Contains: pinna (lobe), ear canal, & ear drum. The Middle Ear*. Contains 3 bones: hammer, anvil, & stirrup. The Inner Ear*.

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How the Ear Works

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  1. How the Ear Works 6th Grade Science

  2. Parts of the Ear • The ear is divided into 3 main parts: • Outer Ear • Middle Ear • Inner Ear

  3. The Outer Ear* • Contains: pinna (lobe), ear canal, & ear drum.

  4. The Middle Ear* • Contains 3 bones: hammer, anvil, & stirrup.

  5. The Inner Ear* • Contains: cochlea and auditory nerve.

  6. Outer Ear Label the Parts of the Ear* Middle Ear Inner Ear Hammer Anvil Stirrup Cochlea Auditory Nerve Eardrum Pinna Ear Canal

  7. How Does the Ear Work? Animation 1 Animation 2 Animation 3

  8. Steps to Hearing:* • Vibrations move through the outer ear canal and vibrate the eardrum. • The eardrum passes its energy through a chain of three tiny bones, the anvil, hammer, and stirrup, in the middle of the ear. • The anvil, hammer, and stirrup pass the energy onto the cochlea. • The vibrations activate hair cells and fluid inside the cochlea. • Electrical signals are sent to the brain through the auditory nerve.

  9. Video on how the ear works:

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