M2 EARTH SCIENCE MEGAWORD

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Across
  1. 5. A type of weathering caused by carbon dioxide in aqueous solution.
  2. 7. The soil horizons when viewed from the side.
  3. 10. Decomposed plant material and other organics makes up this component of soil.
  4. 13. Describes substances not made by living things (eg. rocks)
  5. 14. The A horizon. The most humus rich soil horizon.
  6. 16. A soil containing 50% clay and 50% sand is called a...
  7. 17. Without plant roots to hold it together, soil will do this.
  8. 19. Break it!
  9. 20. Half of a healthy soil sample is this.
  10. 22. Most plants like a soil with a neutral or ... pH.
  11. 23. For most plants, this is the perfect soil.
  12. 24. Move it!
  13. 26. The zone that lies beneath the water table.
  14. 28. Measured by taking the volume of water added to a soil sample and dividing it by the total volume of the sample.
  15. 31. The zone that lies above the water table.
  16. 33. Most of the freshwater on Earth takes this form.
  17. 34. Layer that makes up about 70% of the Earth's mass.
  18. 35. Add this to a clayey soil to make it more permeable.
  19. 36. The largest sediment size found in soil
  20. 37. Water that does not infiltrate and instead collects on or moves across the surface.
  21. 39. The only truly liquid layer of the Earth (not counting oceans). (5,4)
  22. 40. The thin outer layer of solid rock covering its surface.
  23. 41. Element with the symbol K.
  24. 43. Describes a soil with poor drainage and a sticky consistency.
  25. 44. The smallest sediment size found in soil
  26. 45. An element found abundantly in the mantel but less so in the crust.
  27. 46. Metal that comprises much of the core.
  28. 47. A white powder (Ca(OH)2) that can be added to soil to make it more alkaline.
Down
  1. 1. Ammonia and nitrate contain this element.
  2. 2. Element with the symbol P.
  3. 3. Molten rock which cools to make igneous rock.
  4. 4. A process by which nutrients and tiny micronutrients get washed down from the topsoil into the subsoil.
  5. 6. Underground layer of porous and permeable rock that stores and transmits groundwater.
  6. 8. The process by which water moves through soil and rock underground.
  7. 9. Removal of all the trees. Very bad way to treat a soil.
  8. 11. An element found in all rocks. Always combined with oxygen.
  9. 12. Ice wedging belongs to this class of weathering.
  10. 15. A type of rock that is made of layers of weathered rock and contains fossils.
  11. 16. A yellow element that can be added to soil to make it more acidic.
  12. 18. Drop it!
  13. 21. The water found beneath the Earth's surface within soil and rock layers.
  14. 25. Describes substances made by living things
  15. 27. Decomposed plant material or animal droppings added to soil as humus.
  16. 29. Lava before it reaches the Earth's surface
  17. 30. The opposite of acidic.
  18. 32. Another name for the R horizon.
  19. 33. Of a material that does not allow water to pass.
  20. 36. The B horizon is referred to as this. It is low in organic matter.
  21. 38. A cone of ... occurs when groundwater is removed and the Earth above it sinks.
  22. 42. Describes nutrients that plants need in large amounts, such as C, H, O, N.