SOIL VOCABULARY
SOIL VOCABULARY 1.- Soil: contains weathered rocks (sand, silt, clay), organic matter, air and water. 2.- Organic matter: decomposing plant and animal materials found in top soil. 3.- Soil composition: the ingredients that make up a sample of soil. 4.- Nutrients: essential elements required by and organism to grow and reproduce. 5.- Decompose: break down of plants, animals, etc. into soil. 6.- Weathering: breakup of rocks caused by chemical or mechanical process. 7.- Pieces of weathered: sand, silt and clay. 8.- Sand: largest particles. 10.- Clay: small particles, stay at bottom. 11.- Soil Layers: organic, top soil, sub soil, parent material and bedrock. 12.- Top soil: weathered rocks (sand, silt, clay), organic matter, air and water. 13.- Subsoil: some chemical found in topsoil, not much organic matter. 14.- Parent material: slight broken up bedrock, no plant roots, very little organic matter. 15.- Bedrock: hard rocck. 16.- Texture:...
