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