Time marches on

1234567891011121314151617181920212223242526
Across
  1. 5. process in which minerals replace an organism tissues
  2. 7. what do palaeontologist study a part from fossils
  3. 8. who thought that the earth was thousand years old
  4. 9. a principle that states that geologic processes that a occurred in past
  5. 12. he was a palaeontologist who made an important contributions of dinosaurs (spell name and surname together)
  6. 15. marine mollusk similar to a modern squid is called a
  7. 17. a remain that is left when an organism dies
  8. 18. best place to record layers is the (spell without spaces)
  9. 19. what was scientist surname that wrote the THEORY OF THE EARTH
  10. 21. a geological change that occurs suddenly
  11. 24. what era happened 542million years ago
  12. 25. a cavity in rock where a plant or animal was buried is called
  13. 26. When the sediment fills a mold and becomes rock this process is called
Down
  1. 1. is when the foot print of an organism is printed on the ground is called
  2. 2. what is an another word for tree sap
  3. 3. In 1999 what animal did Vladimir Eisner had found in the russian lands
  4. 4. where is dinosaur the is 150million years ago in the quart wall
  5. 5. Is someone who studies fossils is called an
  6. 6. the largest division of the geologic time
  7. 10. fossil that is found in the rock layers of only one geologic age and that is an
  8. 11. what era was the second
  9. 13. goes in the mass extinction is well know for their fossil also it starts with a D and ends with an r
  10. 14. a subdivision of a geologic period
  11. 16. An geological word for time has two or more periods
  12. 20. what era was the first
  13. 22. what happened 65 million years ago that make the dinosaurs extinct (scientists thought)
  14. 23. What period was the first