question: What does your ear drum do when it hears something?
choices.text: Expands Nothing feedback it increases Echos Vibrates weater move
choices.label: A B C D E F G H
fact2: Sound waves make the ear drum vibrate.
combinedfact: When a wave reaches your ear, your ear drum vibrates and you can hear it
formatted_question: 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