Light Energy

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Across
  1. 5. The line that marks the center of a plane mirror.
  2. 7. To move away from each other.
  3. 8. A faded shadow with blurred edges.
  4. 9. A word used to describe lenses that spread light rays away from each other.
  5. 10. A word used to describe any object that create their own light.
  6. 11. To move towards a single point.
Down
  1. 1. A word used to describe lenses that bring light rays to a single point.
  2. 2. A word that means reversed.
  3. 3. A dark shadow with sharp edges.
  4. 4. A virtual pool of water that appears on roads during hot days.
  5. 6. A group of light rays that travel together.
  6. 8. A tool used by submarines to look up over the surface of the water.