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vocabulary - sound unit in science

Frequency Number of vibrations in a given time
pitch how sound is perceived
medium a substance that allows transmission
ultrasonic sounds too high to be heard
SONAR a navigating device used with ultrasound
sound wave regular disturbances caused by bumping molecules
wave length the distance between two crests on a sound wave
vibrations moving back and forth
sound a form of energy produced by vibrations
compressions particles squeezed together in a sound wave
vacuum an empty space where no molecules are present
volume the intensity of sound, or amplitude Loud or Soft
Created by: Cherieverett