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Sound key terms
science vocabulary
Term | Definition |
---|---|
echo | a reflected sound wave |
elasticity | the ability of material to bounce back after being disturbed |
density | how much matter, or mass there is in a given amount of space of value |
loudness | describes your perception of the energy of a sound |
intensity | the amount of energy a sound wave carries per second thru a unit area |
decibel | the loudness of different sounds compared |
pitch | a sound is a description of how high or low the sound seems to a person |
ultrasound | sound waves with frequencies above the normal human range of hearing |
infrasound | sounds with frequencies below the human range of hearing |
larynx | where your vocal cords are located |
Doppler effect | the change in frequency of a wave as it source moves in relation to an observer |