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The importance of soil
The importance of soil
Make an advert for soil. Interpret this instruction as broadly as you wish!
Soil as a System
Soil as a System
Develop an annotated soil systems diagram using the source to the left and your own knowledge.
Your diagram should include:
Inputs
Outputs
Stores
You may wish to make a separate diagram with flows within the soil.
Processes
Transfers
Transformations
Organic Components
Inorganic Components
Living organisms
Products of decay
Minerals (rocks, sand, silt, clay)
Water
Air
Common-soil-organisms.pdfSoil System Inputs
Soil System Inputs
Copy and complete this document with reference to the images below (you may wish to copy and paste the images).
Soil System Ouputs
Soil System Ouputs
Flows within soils
Flows within soils
Justify the categorisation of each of the following.
Transfers
Transformations
Infiltration
Percolation
Groundwater flow
Biological mixing
Aeration
Erosion
Leaching
Decomposition
Weathering
Nutrient cycling
Salinization
Soil Structure
Soil Structure
Investigations
Investigations
You must learn how to:
Sample two soils from the subsoil (B horizon): one from a local garden or field, and one from a natural ecosystem.
Investigate:
Texture
Organic matter content
Nitrogen, phosphorus, and potassium (NPK) concentrations
Aeration
Drainage and Water retention.
Determine the amount of carbon in a dry soil sample by burning off the organic matter and calculating the change in mass.
HL ONLY CONTENT
HL ONLY CONTENT
Other soil features
Other soil features
Soil Colour Fact Sheet.pdfSoil types
Soil types
Factors that determine soil type
Factors that determine soil type
Soil CLORPT Worksheet.pdf
Soil Carbon
Soil Carbon
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