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WAVES - Coggle Diagram

- - - - Concave Lens - the light goes through straightly and reaches the focal point (where rays of light intersects)
      - Concave Lens - the light goes straightly through straightly and spreads out
- - - - Sound waves are waves that travel through the medium "sound."
        
        Different vibrations create higher or lower notes
        
        Different sizes and shapes determines the kind of sound we hear
        
        Vibrations travel through the air are called sound waves
        
        Vibrations are slower for low-pitched sounds and faster for high-pitched sounds
        
        Echos happen when sound wave rebounds itself
    - - Ocean waves are waves that travel through the medium "water."
    - - Ripples in water are waves that travel through the medium "water."
    - - Earthquakes are waves that travel through the medium "earth."
- - - - Sun is a kind of infared waves
    - - A graph of gama rays