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Chapter 16 vocab
Term | Definition |
---|---|
echo | A reflected sound wave. |
elasticity | The ability of a material to bounce back after being disturbed. |
density | The ratio of the mass of a substance to its volume. |
loudness | perception of the energy of a sound. |
intensity | The amount of energy per second carried through a unit area by a wave. |
decibel | A unit to compare the loudness of different sounds. |
pitch | The description of how high or low sound seems to that person. |
ultrasound | sound wave frequencies that are above normal human range of hearing. |
infrasound | sound waves frequencies that are below normal human range of sound. |
larynx | Vocal cords located in the voice box. |
Doppler effect | The change in frequency of a wave as its source moves in relation to the observer. |
music | A set of notes that combine in patterns that are pleasing. |
fundamental tone | lowest natural frequency of an object. |
overtone | Higher natural frequency of an object. |
acoustics | Study of how sounds interact with each other. |
reverberation | echoes of a sound after the sound source stops producing sound. |
ear canal | A narrow region leading from the outside of the human ear to the eardrum. |
ear drum | A small tightly stretched |
cohlea | |
echolocation | |
sonar | |
sonogram |