Soil

1. Weathered Rocks

1.1. Sand

1.2. silt

1.3. Clay

2. Layers of Soil

2.1. Top Soil

2.1.1. Nutrients from organisms

2.2. Sub Soil

2.2.1. Not as much nutrients

2.3. Bedrock

2.3.1. Rock

3. Features of soil

3.1. Consistencey

3.1.1. Firm

3.1.1.1. Loose

3.1.2. Friable

3.2. Color

3.2.1. Yellowish Brown

3.2.2. Chocolate Brown

3.2.3. Grayish Brown

3.2.4. Red

3.3. Texture

3.3.1. Silky

3.3.2. Grainy

3.3.3. Sticky

4. Weathering

5. What soil needs

5.1. Nutrients

5.1.1. Potasium Phosphorus Nitrogen

5.2. Water

5.3. Sun

5.4. Carbon Dioxide

6. Types of Soil

6.1. Grassland

6.2. Forest

6.3. Desert

6.4. Tropical Grassland

7. To help plants grow..

7.1. Nutrients

7.1.1. Organic Matter