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WorksheetsSoil Formation
Total questions: 10
Worksheet time: 6mins
Which component makes up approximately 5% of soil?
Air
Water
Minerals
Organic Matter
What are the three soil separates?
Sand
Silt
Clay
Gravel
Which component of soil makes up about 45% of its composition?
Air
Water
Minerals
Organic Matter
Which two components of soil makes up 50% of soil composition and can also be referred to as pore space?
Air
Water
Minerals
Organic Matter
What is the size of sand in diameter?
> 2mm
2mm-0.05mm
0.05mm-0.002mm
<0.002mm
What is the size of silt in diameter?
> 2mm
2mm-0.05mm
0.05mm-0.002mm
<0.002mm
What is the size of clay in diameter?
> 2mm
2mm-0.05mm
0.05mm-0.002mm
<0.002mm
Select all of the following that are considered soil classification systems.
Soil Taxonomy
USCS
USDA
AAHSTO
What does the texture of soil depend on?
the types of plants that grow in the soil.
the size of the particles in the soil.
the color of the soil.
the number of worms in the soil.
What type of weathering changes the composition of compounds to break down rocks?
Physical
Chemical
Industrial
Metaphysical
