Volcanoes, Mountains, Fossils and Geologic Time Review

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Across
  1. 3. era where recent life as we know it began
  2. 6. types of mountains where a combination of different processes occur
  3. 10. determining age of rocks by their position in the strata, can see when events occurred
  4. 13. cavity in a rock left after hard parts of organism dissolve
  5. 15. Spanish meaning "mountain range"
  6. 16. type of fossil found in a rock
  7. 19. carbon residue forming outline of organism
  8. 21. largest division of time
  9. 22. volcanoes circling the Pacific Ocean
  10. 24. layers of rock
Down
  1. 1. what eras are divided into
  2. 2. bottom of the fold of a rock
  3. 4. type of mountains where older rock ends up on top of younger rock
  4. 5. time period when dinosaurs first evolved
  5. 7. actual organism preserved
  6. 8. remains of animals and plants become rock-like
  7. 9. upward or top part of a the folded rock
  8. 11. describes volcanoes that are NOT active
  9. 12. slabs of rock move over each other like shingles on a roof
  10. 14. time period the dinosaurs lived in
  11. 17. what eons are divided into
  12. 18. age of mountians that have sharp peaks
  13. 20. the openings of a volcano
  14. 23. mountains age that are flatter on the top
  15. 25. type of fossil that shows evidence that something existed, like a footprint