Sound Flashcards
vibration
a rapid back and forth movement
340 meters per second
speed of sound through air
vacuum
A space where no particles of matter exist and we cannot hear sounds
hammer, anvil, stirrup
the three small bones in the middle ear that relay vibrations of the eardrum to the inner ear
ear drum
a tightly stretched membrane at the end of the ear canal that vibrates when hit by sound waves
ear canal
a tube running from the outer ear to the middle ear
cochlea
a coiled, bony, fluid-filled tube in the inner ear through which sound waves trigger nerve impulses
air particles
can be squashed because of the space between particles
liquid particles
particles flow and are not as tightly packed as solid particles
solid particles
particles are tightly packed
pitch
the highness or lowness of a sound
sound source
anything that vibrates in a way that makes a sound, like a voice
sound waves
vibrations of the air in the frequency of hearing
auditory nerve
the nerve that carries impulses from the inner ear to the brain, resulting in the perception of sound
ear canal
a tube running from the outer ear to the middle ear
