sound

Cards (5)

what are echoes?
reflected sound waves
why can't sound travel in space?
it's mostly a vacuum (there are no particles to move or vibrate)
what are the tiny bones in your ear called?
ossicles
what is the function of the cochlea?
turns vibrations into electrical signals that get sent to your brain
what is the function of the brain when hearing sound?
interprets the signals as sound of different pitches and volumes depending on their frequency and intensity