How Ears Hear Sound
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Objective
I can describe how the ear converts sound waves into signals the brain can understand.
Part 1 of 4
Warm-up video
SciShow Kids · 8:22Vetted channel
We don't generate video — this one is by SciShow Kids 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 big flappy part of the ear, called the auricle, helps collect soundwaves and directs them into the auditory canal.
- 2
The middle ear amplifies soundwaves, and three tiny bones move the stronger signal to the inner ear.
- 3
Inside the cochlea, tiny hairs wiggle and send a signal to your brain, which helps you hear.
Part 3 of 4
Practice
3 questions
What part of the ear collects sound waves?
Describe how the sound waves travel through the ear, starting from the outer ear and ending with the brain.
Part 4 of 4
Exit ticket
Quick comprehension check
“Describe how your ear turns the sound of a ringing bell into a message your brain can understand. Mention the eardrum, the tiny bones, the cochlea, and the auditory canal.”
Sample answer included in the free materials
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