What does your ear drum do when it hears something?
Expands Nothing feedback it increases Echos Vibrates weater move
A B C D E F G H
Sound waves make the ear drum vibrate.
When a wave reaches your ear, your ear drum vibrates and you can hear it
What does your ear drum do when it hears something? (A) Expands (B) Nothing (C) feedback (D) it increases (E) Echos (F) Vibrates (G) weater (H) move