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sound
terms and definitions
| Term | Definition |
|---|---|
| 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
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