Term | Definition |
Echo | a reflected sound wave |
Elasticity | the ability of a material to bouce back after being disturbed |
Density | how much matter, or mass there is in a given amount of space, or volume |
Loudness | your perception of the energy of a sound |
Intensity | the amount of energy a sound wave carries per second through a unit area |
Decibel(db) | the loudness of different sounds is compared using this unit |
Pitch | a description of how high or low a sound seems to a person |
Ultrasound | sound waves with frequencies above the normal human range of hearing |
Infrasound | sounds with frequencies beelow the human range of hearing |
Larnyx | your vocal cords are located in your larnyx also known as your voice box |
Doppler Effect | the change in frequency as its source moves in relation to an observer |
Causes of the Doppler Effect | the movement of a sound source moving making the frequency change because the motion of the force effects the movement of the waves. |
Causes of a Sonic Boom | when a shock wave formss as the sound waves overlap, causingbthe shock wave o release a huge amount of sound energy |
Fundamental Tone | the lowest natural frequency of an object |
Overtone | the objects higher natural frequencies |
Acoustics | the study of how sounds interact with eachother and the environment |
Reverberation | when the echos of a sound are heared after the sound source stups producing sound waves |
Ear Canal | a narrow region that collects sound |
Ear Drum | a small, tightly stretched, drumlike membrane |
Cochlea | a fluid filled cavity shaped like a snail shell |
Echolocation | the use of reflected sound waves to determine distances or to locate objects |
Sonar | a system that uses reflected sound waves to detect and locate objects underwater |
Sonogram | a device that reflects ultrasound wave to create a picture |