<p>Soil Guided Notes</p><p>Characteristics of Soil Soil is part of the ______Regolith is the layer of ______Bedrock is the layer of ______In the boxes in the picture below label the bedrock and regolith.</p><p>Loam (a mixture of all three sizes) is ______Using a Soil Texture Triangle Place arrows on the chart below indicating the directions you read each particle size </p><p>Soil Composition Soil has four major components: 1. ______2. ______3. ______4. ______Organic matter is mostly made up of ______Label the pie chart below showcasing the type and amount of each component of soil</p><p>Soil Texture Texture refers to the ______The three sizes are: 1. ______2. ______Soil Structure 3. ______Soil Guided Notes</p><p>Soil particles ______Soil Formation The Soil Profile The five most important factors in soil Soil varies in ______, ______, formation are ______, and ______at different 1. ______is the material depths ______. Soil horizons are ______There are two types of soil depending upon ______their parent material: A ______is a vertical section  ______where parent through all the soil horizons is the bedrock.  ______where parent Circle the three horizons below: material has been carried from elsewhere and deposited, ______. 2. ______ Important in all ______ The longer a soil has been forming, the ______it becomes 3. ______ Greatest effect on ______ ______are best for soil formation 4. ______ Organisms influence the soil’s ______ Provide organic material to soil such as ______5. ______ Angle - Steep slopes often have ______For each of the profiles below, label the - Optimum slope is horizons (A, B, C) and the parent material. Then ______number each profile in order of earliest to latest ______Why would a steep slope not develop good soil? ______ Orientation or direction the slope is facing - ______- ______Soil Guided Notes development.  Human activities that remove vegetation such as ______, ______, and ______greatly ______erosion. Sediment Deposition  Water reservoirs fill with eroded ______.  Sediments are contaminated by ______and ______. Controlling Erosion  ______ ______Match the graphs below to the profiles on the  ______previous page  ______Mass Movements The transfer of ______and ______downslope due to gravity is called ______. Among the factors that commonly trigger mass movements are ______, Soil Types ______, and Three common types of soil are ______. 1. ______ Best developed under Types of Mass Movements ______Geologists classify mass movements based on  Accumulation of iron oxides and the kind of material that ______, aluminum-rich clays in the B ______, and horizon ______. 2. ______ Accumulates ______1. Rock falls:  Associated with ______3. ______2. Slides:  _____, _____, ______climates ______ Intense ______Soil Erosion ______and ______erode soil. ______Which one erodes faster? ______3. Slumps: Rates of Erosion ______ Depends upon ______, ______, 4. Flows: and ______Soil Guided Notes</p><p>______5. Creep ______</p>