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Sound🔊 - Coggle Diagram

- - - - Whale communication (low pitched sounds)
- - - - a type of energy (mechanical)
        
        it is similar to light or heat
  - - - Vibrations
        
        the moving of back and forth quickly
  - - - metal vibrates
    - - vocal cord in the throat vibrates
- - - - Invisible
  - - - pushes the water
        
        Visible
    - - Eardrums vibrate
- - - - a lot of energy
      - travel far
      - Examples: Jackhammer, car horn, siren, school bell
    - - less energy
      - do not travel far
      - Examples: Squeking mouse, ticking watch, whisper