APES Unit 2: Chapter 3: Soil
Order by
19 terms
Terms | Definitions |
|---|---|
 Weathering | The breaking down of materials such as rocks through contact with the earth's biosphere |
| Surface Litter Layer | Part of the "Organic" Horizon, covered with organic matter in various stages of decomposition |
| Parent Material | Geological matter usually in the form of bedrock that forms the soil horizons |
| Clay | A combination of various minerals/metal oxides/organic matter with water molecules trapped inside |
| Soil Profile | The various layers of soil |
| Soil inflitration | Process by which water on the ground surface enters the soil |
| Soil permeability | Ability of water to flow through soil |
| Loam | Soil composed of various amounts of silt, clay, and sand |
| Cation | Positively charged electron |
| Micronutrients | Nutrients needed by living organisms to perform living functions, also known as Trace Elements |
| Soil | A diverse group of mineral constituents that differ from their parent material |
| Silt | Clay like material that is usually the suspended material in a body of water |
| Gravel | Unconsolidated rock fragments that vary in size |
| Soil Horizon | Distinct horizontal layers of soil |
| Humus | Organic material that cannot decomposed any further |
| Leaching | Loss of Organic solutes or minerals due to percolation of liquids (mainly water) |
| Anion | Negatively charged Ion |
| Soil Porosity | Measure of the amount of spaces in soil |
| Macronutrients | Provide bulk energy, main three are protein, fat, and carbohydrates |
First Time Here?
Welcome to Quizlet, a fun, free place to study. Try these flashcards, find others to study, or make your own.