Light Energy

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Across
  1. 2. no light can pass through
  2. 6. all light can pass through
  3. 7. only some light can pass through
  4. 10. not shiny
  5. 13. a dark shape formed when an object is between light and a surface
Down
  1. 1. light travels from one medium to another, then bends
  2. 3. light stopped by a material; to soak something up or take something in
  3. 4. to bounce off or throw back from
  4. 5. smooth and bright; glossy
  5. 8. existing in or produced by nature; not made by people
  6. 9. clean, colorless and easy to see through
  7. 11. travels in waves; brightness from the sun, lamp or something similar; energy that makes seeing possible
  8. 12. to place or be in the way so people or things cannot pass through or enter