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Sound - Coggle Diagram

- - - - ex. light and heat
  - - - ex. triangle - metal vibrates
      - ex. vocal cords - shake when you talk
  - - - liquid, solid
      - reach through eardrums
        
        you can hear
- - - - travels far
        
        ex. jackhammer, schoolbell
    - - less energy
        
        move near/close
        
        ex. a ticking watch, a squeaking mouse
- - - - <-> low note - string shivers slow ex. cello