Soil

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Across
  1. 2. What type of plowing is done in circular bands that follow the shape of the land?
  2. 5. How many soil types are found in temperate climates?
  3. 7. In what region does chemical weathering occur slowly?
  4. 9. What soil contains iron and aluminum and does not dissolve easily in water?
  5. 14. Scientists study the soil _______ that shows the layers of soil and the bedrock.
  6. 15. In what climate is the soil thin and made up of rock fragments?
  7. 17. What soil is grainy and usually has a yellow/brown color?
  8. 18. A part of the soil that is made up of plants and animals that have died.
  9. 20. Erosion is a ______ process for soil.
Down
  1. 1. How many main types of soil are there?
  2. 3. What type of cropping alternates crops each year?
  3. 4. What type of erosion strips away layers of soil until it exposes the subsurface or bedrock?
  4. 6. What influences soil formation?
  5. 8. A mixture of organic and small rock materials
  6. 10. What type of cropping uses step-like ridges that follow the contours of a sloped field?
  7. 11. What is the soil that is on top of it's parent rock?
  8. 12. What type of cropping is planted in alternate bands?
  9. 13. At the ______ of the hill, the soil is the thickest.
  10. 16. What soil is typically yellow, red, or bluish-gray in color and often impermeable?
  11. 19. What soil is often found in the bottom of lakes and rivers?