Soil Porosity and Permeability

​Soil Porosity and Permeability

APES Unit 4

Multiple Choice

What type of soil is composed of 10% sand, 60% silt, and 30% clay?

• Sandy Clay

• Silty Clay Loam

• Silt Loam

• Silty Clay

Multiple Choice

What type of soil is composed of 30% sand, 10% silt, and 60% clay?

• Sandy Clay

• Silty Clay Loam

• Clay Loam

• Clay

Multiple Choice

What percent clay is in the sample?

• 20%

• 30%

• 50%

• 100%

Multiple Choice

What percent silt is in the sample?

• 10%

• 30%

• 40%

• 60%

Draw

Draw a circle around the side that is more permeable.

Draw

Draw a circle around the side that is non porous.

Multiple Choice

Which particle size is largest?

• 1

• 2

• 3

Multiple Choice

Which soil horizon contains the most humus (dark, organic material from animal decay)?

• 1

• 2

• 3

• 4

Multiple Choice

Which soil horizon contains could store water, creating aquifers?

• 1

• 2

• 3

• 4