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Sound
vocabulary - sound unit in science
Term | Definition |
---|---|
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 |