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terms and definitions

echo a feflected sound wave
elasticity the ability of a amterial to bounce back after being disturbed
density how much matter or mass there is in a given amount of space, or volume
loudness describes perception of the energy in sound
intensity the amount of energy a sound wave carries per second through a unit area
decibel unit used to compare sounds
pitch how high or low a sound is
ultrasound soundwaves with frequencies above the normal human range of hearing
infrasound frequencies below human hearing range
larnyx where the vocal cords are located in the human body
doppler effect the change in frequency of the waves as its source moves in relation to the observer this is also what causes this effect
what causes a SONIC BOOM! exceding the speed of sound (around 730-760)
music a set of notes that combine in patterns that are most pleasing
fundamental tone the lowest natural frequency
overtone higher natural frequency
acoustics how sound interacts with the enviroment
reverberation sound reflecting off hard surfaces
ear canal part in ear that collects soundwaves
eardrum allows hearing
cochlea contains hairlike cells that send messages from the ear to the brain
echo location use of reflected soundwaves to determine distance or locate something
sonar system that uses sound waves to detect or locate objects underwater
sonogram device that uses reflected ultrasound waves to create a pisture called a sonogram
Created by: brachydios1.2