Soil Science

2. the smallest particle in soil
4. this layer of the soil is made up of solid rock
5. contains organic material in the form of fresh and more decomposed plants and animals as well as microbes
8. materials that plants and animals need to grow
10. wearing away or change in the appearance or texture of something by long exposure
12. The prevention of loss of the topmost layer of the soil from erosion or prevention of reduced fertility caused by over usage, acidification, salinization or other chemical soil contamination.
13. the medium particle in soil
14. Material found on the surface of the earth consisting of a mixture of rock, sand, clay, dead plants, and animal remains.

1. this layer of the soil contains weathered parent material and broken rock
3. the arrangement of the soil horizons
6. the largest particle in soil
7. allows gases, water, and organisms to travel and transfer through the soil
9. this layer of the soil is rich in nutrients and minerals and is where most roots are found
10. available for absorption in the soil by plants
11. this layer of the soil where there is an accumulation of leached materials and some tree roots are found here.