Across
- 2. Soil that sits on top of its parent rock
- 5. A place that has thin soil with rock fragments
- 9. Mixture of organic and small rock materials
- 10. A popular attraction in North Carolina that is an area with huge sand hills (two words no space)
- 12. The soil ___ is what scientists study that show the layers of the rocks
- 13. A place that has thin soil that consists mostly of regolith
- 15. A type of plowing that makes circular bands with the lay of the land
- 17. It is a ___ process for soil to form a layer on the earth
- 18. Type of weathered rock that covers most of the earth
- 19. A type of soil that is yellow or brown in color and is found in fine grains
- 20. What is one influence on soil formation?
Down
- 1. Part of the soil that is made up of dead plants and animals
- 3. A type of soil that is found at the botom of harbors and channels
- 4. Soil that contains iron and aluminum and does not disolve easily in water.
- 6. How many types of soil are there in a temperate climate
- 7. A soil that is yellow, red, or gray in color and is impermiable
- 8. Solid rock that lies under the regolith
- 9. A way to farm that uses step-like ridges that follow the contours of a sloped field
- 11. Weathering that does change the composition of the rock
- 14. Crop ___ is planting one crop one year and a different crop the next year
- 16. A place that has thick soil and contains laterites
- 21. How many main types of soil are there?