Lesson 4.1 Starting from the Ground Up.

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Across
  1. 2. – Mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or
  2. 8. – Change in form, appearance, nature, or character.
  3. 9. material – The horizon of weathered rock or partially weathered soil material from which the soil is
  4. 10. matter.
  5. 13. quantities in nature.
  6. 15. A size term denoting particles, regardless of mineral composition, with diameter less than 2 microns.
  7. 18. topography over neutral time.
  8. 23. – Designating the inorganic nature of a substance.
  9. 24. – The long-term average weather conditions.
  10. 28. – The artificial application of water to soil for the purpose of increasing plant production.
  11. 29. – Process of removing soil from the surface.
  12. 31. – Slope of the land and the position on the landscape, such as the top of a hill, a hillside, or the
  13. 34. – Atmospheric action on rock surfaces producing decomposition, disintegration, or alteration of
  14. 35. These pores hold water and air for absorption by plant roots.
  15. 37. – An organism so small that it cannot be seen clearly without the use of a microscope; a
  16. 38. - A group of textural classes in which the particles are finer than gravel but coarser than silt, ranging in
  17. 39. from 2.00 to 0.5 millimeters in diameter.
  18. 40. cover – Any vegetation that grows close to the ground, producing protection for the soil.
  19. 42. such as glacial drift.
Down
  1. 1. – Decrease in volume of sediments, as a result of compressive stress, usually resulting from
  2. 3. deposition above them.
  3. 4. - Any living individual whether plant or animal.
  4. 5. – The group of processes whereby earthy or rock material is worn away, loosened, or dissolved and
  5. 6. – Refers to the extent of voids or openings in the soil that exist between soil particles and soil peds or
  6. 7. – Accumulation of water-worn pebbles larger than two millimeters in diameter.
  7. 11. – Color difference on a mass of moderately poorly drained soil.
  8. 12. – The removal of soluble constituents from soils or other materials by percolating water.
  9. 14. – To gather or collect.
  10. 16. and often nitrogen and sulfur.
  11. 17. by the active factors of climate and biosphere exerting their influence on passive parent material
  12. 19. – Process of soil deposited due to erosion.
  13. 20. – The mineral and organic surface of the earth capable of supporting upland plants. It has been (and is
  14. 21. – An elongated depression between uplands, hills, or mountains.
  15. 22. – Unweathered hard rock that lies directly beneath the soil layers or beneath superficial geological
  16. 25. or submicroscopic organism.
  17. 26. – Small, mineral, soil particle, ranging in diameter from 0.5 to 0.002 millimeters.
  18. 27. of a slope.
  19. 30. – To move or transfer from one place to another; cause to change location; displace.
  20. 32. matter – Matter found in, or produced by, living animals and plants, which contains carbon, hydrogen,
  21. 33. at or close to the earth’s surface.
  22. 36. – The addition of sediment, as by flowing water.
  23. 37. soil – Soil whose properties are dominated by soil minerals, usually containing less than 20 percent
  24. 41. from any part of the earth’s surface.