Soil

1. Is made of

1.1. Organic Matter

1.2. Weathered Rocks

1.2.1. Sand

1.2.2. Silt

1.2.3. Clay

2. Types of soil

2.1. Desert Soil

2.1.1. Form in places that don't have a lot of rainfall

2.2. Grassland Soil

2.2.1. Form in wet and dry seasons

2.3. Tropical Grassland Soil

2.3.1. Found in warm places

2.4. Forest soil

2.4.1. Form in cold seasons

2.4.2. Have enough rain fall

3. Consistence

3.1. Friable

3.2. loose

3.3. grainy

3.4. silky

4. What soil needs

4.1. Water

4.2. Light

4.3. Air