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Presentación aurelio

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Presentación aurelio

  1. 1. We divide objets in to three groups depending on how much light can pass trougth them
  2. 2.  Like clear glass bottles allow light to pass througth
  3. 3.  Allow some light to pass through
  4. 4. For example wood and cardboard, do not allow light to pass through
  5. 5.  Some objets do not let light through . When light cannot travel through an objet, a shadow is formed on the opposite side to the source of light.

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