attempt 5

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Across
  1. 2. a unit of light with no mass
  2. 4. being good in pictures
  3. 5. plant that makes food fro light
  4. 7. something used to create images
Down
  1. 1. something that thrives in light
  2. 3. a photograph of distant objects
  3. 5. an instrument that measures light
  4. 6. changes color over light