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Sound Vocab
All sound vocab
| Term | Definition |
|---|---|
| Echo | A reflected sound wave |
| Elasticity | the ability of an object or material to resume its normal shape after being stretched or compressed |
| Density | the degree of compactness of a substance. |
| loudness | describes what you hear |
| intensity | amount of energy a sound wave carries per second |
| decibel | a degree of loudness, or is a unit used to measure how powerful or loud a sound |
| Pitch | the quality of a sound governed by the rate of vibrations producing it; the degree of highness or lowness of a tone. |
| Ultrasound | sound or other vibrations having an ultrasonic frequency, particularly as used in medical imaging. |
| infrasound | sound waves with frequencies below the lower limit of human audibility. |
| larnyx | the voice box of humans and other mammals |
| doppler effect | the change in frequency of a wave as it source moves in relation to an observer |
| what causes doppler effect | when a sound source moves, the frequencyof the waves changes because the motion of the source, adds to the motion of the waves. |
| what causes the sonic boom | when an object goes faster than the speed of sound |
| fundamental tone | lowest frequency in an object |
| overtone | an objects higher natural fequencies |
| acoustics | how sounds interact with each other ad the environment |
| reverberation | echoes of sound after producing sound waves |
| ear canal | part of air that collects sound waves |
| ear drum | small membrane that vibrates to allow you to hear sound |
| cochlea | fluid filled cavity shaped like a snail shell |
| echolocation | the use of reflected sound waves to determine distance or locate objects |
| sonar | use of reflected sound waves to determine distance or locate objects |
| sonogam | uses reflected ultrasound waves o create pictures |