SOIL VOCABULARY
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- Soil: contains weathered rocks (sand,slit,clay), organic matter, air and water
- Organic matter: decomposition plant and animal materials found in top soil.
- Soil composition: the ingredients that make up a sample of soil.
- Nutrients: essential elements required by and organism to grow and reproduce.
- Decompose: break down of plants, animals, etc. Into soil.
- Weathering: breakup of rocks caused by chemical or mechanical processes.
- Pieces of weathered rock: sand, silt and clay.
- Sand: largest particles, stay at bottom.
- Silt: medium particles.
- Clay: small particles, stay towards the top.
- Soil layers: organic, top soil, sub soil, parent material and bedrock.
- Top soil: weathered rocks (sand, silt, clay), organic matter, air and water.
- Sub soil: some chemical found in topsoil, not much organic matter.
- Parent material: slight broken up bedrock, no plant roots, very little organic matter.
- Bedrock: hard rock.
- Texture: how soil feels
- Grainy: large pieces, sand like.
- Silky: medium pieces, silt like.
- Sticky: small pieces, clay like.
- Color: chocolate brown, reddish brown, yellowish brown, grayish brown.
- Consistence: how easily soil breaks apart
- Loose: soil breaks apart when held.
- Friable: breaks apart with small amount of pressure from one finger.
- Firm: breaks apart with a lot of pressure from two fingers.
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