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WorksheetsSoil Science
Total questions: 20
Worksheet time: 41mins
What percent of soil is air?
25%
45%
5%
What percent of soil is water?
25%
45%
5%
What percent of soil is mineral matter?
25%
45%
5%
What percent of soil is organic matter?
25%
45%
5%
Techniques used to try and limit soil erosion is known as _____.
Soil Survey
Soil Profile
Soil Conservation
Soil Practice
Select all that apply. Erosion can lead to ________.
Wearing away of land
Loss of productive soil
Organic production
Formation of a loam
What is the grassy layer referring to?
Organic matter or humus
Topsoil
Subsoil
Parent Material
Bedrock
What is the O layer referring to?
Organic matter or humus
Topsoil
Subsoil
Parent Material
Bedrock
What is the A layer referring to?
Organic matter or humus
Topsoil
Subsoil
Parent Material
Bedrock
What is the B horizon referring to?
Organic Matter or Humus
Topsoil
Subsoil
Parent Material
Bedrock
What is the C horizon referring to?
Organic Matter or Humus
Topsoil
Subsoil
Parent Material
Bedrock
Top layer of a soil profile. Generally dark in color and nutrient rich, with a mixture of humus, clay, and minerals.most suitable for plant growth
Topsoil
Subsoil
Parent Material
Bedrock
The second layer in a soil profile. It is located directly beneath the topsoil.
Topsoil
Subsoil
Parent Material
Bedrock
The third layer in a soil profile. It contains the least amount of nutrients and is located directly above the bedrock.
Topsoil
Subsoil
Parent Material
Bedrock
Material that is at the base of a soil profile. This is larger rocks that will eventually be broken down into parent material.
Topsoil
Subsoil
Parent Material
Bedrock
A way to classify soil based on its feel and the relative proportions of sand, silt, and clay.
Texture
Permeability
pH
Particle Size
How acidic or basic a soil is
Texture
Permeability
pH
Particle Size
The weathering of rocks into small pieces forms what natural resource?
Minerals
Water
Coal
Soil
