Name the parts of the ear
Ear flap, eardrum, cochlea, auditory nerve, ear bones
Give the steps of what happens when an object vibrates
Object vibrates > Air vibrates > ear drum vibrates > Ear bones vibrate > Hairs vibrate in the cochlea sending a message to the brain through the auditory brain
What is an auditory range?
The range of frequencies (vibrations per second) that you can hear
What is the auditory range for humans?
20 - 20,000 Hz
Name animals that can hear much higher frequencies than us
Dogs (40,000 Hz)
Dolphins (120,000 Hz)
Bats (120,000 Hz)