How Ears Hear Sound
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Objective
I can describe how sound travels through the ear.
Part 1 of 4
Warm-up video
Nemours · 2:05
We don't generate video — this one is by Nemours on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
The three main sections of the ear are the outer ear, middle ear, and inner ear.
- 2
The eardrum vibrates when sound waves enter the middle ear, causing the ossicles to vibrate.
- 3
The cochlea and semicircular canals are located in the inner ear and send signals to the brain via the auditory and vestibular nerves.
Part 3 of 4
Practice
4 questions
What is the main job of the outer ear?
Describe the role of the eardrum and ossicles in the middle ear.
Part 4 of 4
Exit ticket
Quick comprehension check
“Describe the journey of a sound wave as it travels through the ear, from the outer ear to the brain.”
Sample answer included in the free materials
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Teacher guide, student handout, and slides — free, in Google Docs format
Teacher Guide
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