Ashton Riggs' Chapter 3 and 4 Crossword

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Across
  1. 1. 544 million years ago/ no backbones
  2. 2. a rock's age compared to other rocks
  3. 3. the preserved remains or traces of living things
  4. 5. a stream that flows into a larger stream
  5. 6. the ability to do work or cause change
  6. 9. oldest layer is at bottom
  7. 11. the process in which sediment is laid down in new locations
  8. 12. earth's materials deposited by erosion
  9. 14. fine wind deposited the sediment
  10. 15. a mass of rock and soil suddenly slips down a slope
  11. 16. the number of years since the rock formed
  12. 17. 245 million years ago/ age of dinosaurs
  13. 19. a very slow down hill movement of rock and soil
  14. 20. all the remaining water that moves over Earth's surface
  15. 21. provide evidence of early organisms
  16. 24. builds from the cave floor
  17. 27. when rock and soil slide quickly down a steep slope
Down
  1. 1. minerals make a copy of the organism
  2. 4. The term geologists use for underground water and can cause chemical weathering
  3. 7. the land area from which a river and its tributaries collect their water
  4. 8. copy the shape of the organism
  5. 9. as repeated waves hit the beach, some of the beach sediment moves dow n the beach with the current
  6. 10. energy the two types of energy are: Kinetic and ________
  7. 13. high ground between drainage basins
  8. 18. 6.5 million years ago until today/ age of mammals
  9. 22. extremely thin coating of coating on a rock
  10. 23. deposit that hangs from a roof
  11. 25. the wearing away of rock by a grinding action
  12. 26. a rapid downhill movement of a mixture of water, rock, and soil