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Sound Definitions

Echo A reflected soundwave
Elasticity Ability to bounce back after being disturbed
Density How much matter is in a space
Loudness the perception of the energy of the sound
Intensity The amount of energy a soundwave carries per seccond through a unit of space
Decibel Unit to measure loudness
Pitch the frequency of a note
Ultrasound sounds higher than what humans can hear
infrasound sounds lower that what humans can hear
Larynx A human's voice box
Doppler effect the change in frequency as a wave moves closer to the observer
What causes the doppler effect? When a sound source moves
What causes sonic boom? when a highspeen object breaks the sound barrier and travels faster than the speed od sound
Fundamental Tone The lowest natural frequency of an object
Overtone The objects higher natural frequency
Acoustics How sound waves interact with each other and the environment
Reverberation when echos are still heard after the source of the sound is gone
Ear canal a canal from your outer ear to the eardrum
Eardrum Small tightly stretched membrane that vibrates when sound passes through it
Cochlea a fluid filled cavity shaped like a snail shell
Echolation the use of reflected sounds to discover objects
Sonar Sound navigation and ranging
Sonogram A Picture of reflected sound waves
Created by: Scienceiscool