Mon Prof Augmenté
Loud Sound and Hair Cells
Age 16 · Daily Life
A loud sound close to you, or a sound you hear for a long time, can bend and flatten the tiny hair cells inside the cochlea. More distance and foam earplugs reduce the sound reaching your ears.
This picture is part of the full library
Every lesson is open to everyone for 7 days after it is published. This one came out on October 17, 2026: its text stays readable here, and its picture opens with a subscription.
The app is free. A subscription opens every lesson, in every school year.
Age 16: open this week
Browse Age 16
In the picture
- Tall loudspeaker stack: a source of loud sound
- Foam earplug: a soft plug that reduces sound entering the ear
- Cochlea: the spiral inner-ear organ that contains hair cells
- Hair cells: tiny sensory cells, shown as two upright and two bent flat
Examples
- A concert speaker heard from the front row
- A leaf blower running close to you
Key takeaways
- Louder sounds and longer listening times increase the risk to hair cells.
- Standing farther away and using earplugs lowers the sound level at your ears.
Quiz: Loud Sound and Hair Cells (Age 16)
-
According to the card, which two things increase the risk to hair cells?
-
What effect do standing farther away and using foam earplugs have?
-
What can happen to hair cells after a loud sound close to you or a sound you hear for a long time?
The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.
Free app, optional subscription
App Store Google Play
Carry on in the app
At least one new illustrated lesson every weekday for your child’s year, with its quiz and a reminder at 6:15 pm.
Your child’s teacher does not use My Enhanced Teacher yet?
Tell them about it
