Elizabeth's Science Reveiw

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Across
  1. 5. A meander cut off by a river
  2. 7. Large earth related damage
  3. 9. Moved by erosion
  4. 10. Plowing on curves of a slope
  5. 12. Ice that splits into the cracks of the rock and breaks it
  6. 13. A mass of tough roots
  7. 14. Tiny grooves in soil
  8. 16. An estimated age compared to other ages
  9. 18. A rock made of sand
  10. 19. Decayed organic material
  11. 20. Movement by wind,water,and ice
Down
  1. 1. Wind deposited sediment
  2. 2. Breaks rock and other minerals or objects
  3. 3. Plants grow in it
  4. 4. When all minerals replace all or part of an organism
  5. 6. Organisms that break down remains of plants and animals
  6. 8. Easily weathered rock
  7. 11. What is my favorite band
  8. 15. Happened in 1930's caused by farming and plowing
  9. 17. Large grooves in soil