Branches of Science and Scientists

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Across
  1. 3. study of living organisms
  2. 5. experimenting with chemicals
  3. 7. created a telescope, is an astronomer
  4. 10. the study of air
  5. 12. study of space
  6. 14. the study of the earth
  7. 15. the study of fossils
  8. 16. the study of volcanoes
  9. 19. the study of animals
  10. 20. the study of ecology
Down
  1. 1. has long white hair
  2. 2. Nobel prize
  3. 4. the study of earthquakes
  4. 6. the study of physical remains of the past
  5. 8. the study of insects
  6. 9. the study of birds
  7. 11. the study of stars
  8. 13. the study of the ocean
  9. 17. French physicist
  10. 18. Bunsen burner