Light Quiz

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Across
  1. 1. allows all light to pass through
  2. 6. shadow formed by a point source
  3. 8. causes white light to separate into colors
  4. 9. light bends in going to another medium
  5. 10. colors seen when rain falls
Down
  1. 2. formed when an opaque object blocks light
  2. 3. light bounces of an object
  3. 4. a line perpendicular to a surface
  4. 5. formed when sun earth moon in straight line
  5. 7. this depth is less than real depth