| Climate | | Plowing along the slop of the land. |
| Erosion | | A thick mat of roots at the surface, hold soil in place and hold onto moisture. |
| Soilconservation | | Plant and leaf materials on the surface, also called the O-Horizon |
| Litter | | Organisms that break down the remains of dead organisms. |
| soil | | Soil composed of equal parts sand, silt and clay |
| Topsoil | | Plowing that disturbs the land as little as possible. |
| Mechanicalweathering | | A rock that has tiny connected air spaces |
| Acidrain | | Loose weathered material on Earth's surface. |
| Conservationplowing | | Movement of rack particles by wind, water or ice. |
| Subsoil | | Breaking down of rock by physical means, into smaller pieces. |
| permeable | | Wearing away of rock by the grinding of other rock particles |
| Chemicalweathering | | The original source of the soil. |
| abraison | | Soil found in the B-Horizon, composed with clay particles |
| Loam | | Soil found in the A-Horizon |
| Contourplowing | | The practice of protecting our soil resources |
| Humus | | Two factors that affect the rate of weathering are type of rock and _____________. |
| Parentmaterial | | Freezing of water that eventually cracks rocks. |
| Bedrock | | A section of the US that lost much of its top soil to wind erosion. |
| Icewedging | | Solid layer of rock beneath the soil |
| sod | | Breaking down of rock through chemical changes |
| DustBowl | | Decayed plant and animal remains. |
| Decomposer | | Caused by burning too much fossil fuels. |
