vocab week 9

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Across
  1. 4. / a science that deals with things that are alive.
  2. 5. a US city founded by William Penn, a Quaker who believed in peace
  3. 7. / a tiny particle of light or electromagnetic radiation
  4. 9. the study of ideas about knowledge
  5. 10. the art processes or job of taking pictures with a camera
Down
  1. 1. a person who loves or collects books
  2. 2. capable of being slowly destroyed and broken down into very small parts by natural processes
  3. 3. a wealthy person who gives money and time to help make life better of other people
  4. 6. the process by which a green plant turns water and carbon dioxide into food
  5. 8. the story of a real person's life written by someone else other than that person