Module 10: SOUND

A disturbance that travels through a medium as a longitudinal wave.

• Sound

• Reverbaration

• Loudness

• Sonar

A unit used to compare the loudness of different sounds

• Reverberation

• Decibel

• Echolocation

• Sonar

The change in frequency of a wave as its source moves in relation to an observer.

• Echolocation

• Reverberation

• Sonar

• Doppler Effect

the perception of the energy of a sound

• Decibel

• Echo

• Loudness

• Sound

To move rapidly back and forth

• Agitate

• Wave

• Vibration

• Swing

a tough membrane that transits sound waves from the outer ear to the inner ear

• eardrum

• cochlea

• hammer, anvil, stirrup

• oval window

• auditory nerve

three tiny bones in the middle ear that amplify sound waves

• eardrum

• cochlea

• hammer, anvil, stirrup

• oval window

• auditory nerve

vibrated by the stirrup and transmits to the cochlea

• eardrum

• cochlea

• hammer, anvil, stirrup

• oval window

• auditory nerve

spiral shaped structure that is filled with liquid and contains tiny hair cells

• eardrum

• cochlea

• hammer, anvil, stirrup

• oval window

• auditory nerve

sends nerve impulses to the auditory nerve

• eardrum

• cochlea

• hammer, anvil, stirrup

• oval window

• auditory nerve