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WorksheetsSoils
Total questions: 20
Worksheet time: 10mins
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%
What is the largest soil particle?
Sand
Silt
Clay
What is the medium size soil particle?
Sand
Silt
Clay
What is the smallest soil particle?
Sand
Silt
Clay
Which of the following is the BEST pH for soil?
9.7
1.2
6.4
3.9
Which of the following is NOT soil forming factor?
Parent Material
Roadways
Topography
Climate
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
A mixture of sand, silt, and clay in a soil sample is called _____.
Loam
Organic Matter
Subsoil
Mixture
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
If a soil has 30% sand, 40% silt, and 30% clay, what is the texture?
Silty Clay
Clay Loam
Sandy Clay Loam
Silty Loam
If a soil has 50% sand, 25%, and 25% clay, what is the texture?
Silty Clay
Clay Loam
Sandy Clay Loam
Silty Loam
If a soil has 10% sand, 70% silt, and 20% clay, what is the texture?
Silty Clay
Clay Loam
Sandy Clay Loam
Silty Loam
