Across
- 4. An organism so small that it cannot be seen clearly without the use of a microscope.
- 6. A group of textural classes in which the particles are finer than gravel but coarser than silt.
- 9. The mineral and organic surface of the earth capable of supporting upland plants.
- 10. The long-term average weather conditions.
- 11. The group of processes whereby earthy or rock material is worn away.
- 15. Any living individual whether plant or animal.
- 16. The artificial application of water to soil for the purpose of increasing plant production.
- 17. A size term denoting particles, regardless of mineral composition, with diameter less than 2 microns.
- 18. Mineral matter of variable composition.
- 20. Process of soil deposited due to erosion.
- 22. To move or transfer from one place to another; cause to change location; displace.
- 25. Atmospheric action on rock surfaces producing decomposition or disintegration.
- 27. Any vegetation that grows close to the ground, producing protection for the soil.
- 29. Small, mineral, soil particle, ranging in diameter from 0.5 to 0.002 millimeters.
Down
- 1. Unweathered hard rock that lies directly beneath the soil layers.
- 2. The removal of soluble constituents from soils or other materials by percolating water.
- 3. Accumulation of water-worn pebbles larger than two millimeters in diameter.
- 4. Soil whose properties are dominated by soil minerals.
- 5. The horizon of weathered rock or partially weathered soil material.
- 7. The addition of sediment, as by flowing water.
- 8. To gather or collect.
- 12. Decrease in volume of sediments, as a result of compressive stress.
- 13. Slope of the land and the position on the landscape.
- 14. Change in form, appearance, nature, or character.
- 19. Color difference on a mass of moderately poorly drained soil.
- 21. An elongated depression between uplands, hills, or mountains.
- 23. Matter found in, or produced by, living animals and plants.
- 24. Designating the inorganic nature of a substance.
- 26. Refers to the extent of voids or openings in the soil that exist between soil particles.
- 28. Process of removing soil from the surface.
