Soil Texture Classification Quiz

What is the percentage of clay in a soil sample classified as "sandy clay"?

• 40-60%

• 20-30%

• 10-20%

• 70-80%

In the soil texture triangle, which soil type has the highest percentage of sand?

• Clay

• Sandy loam

• Silt loam

• Silty clay

According to the instructions, what should you not measure when determining soil texture?

• Sand

• Silt

• Clay

• Water

What is the first step in measuring soil texture as per the given instructions?

• Use the triangle

• Measure the cm or mL height for sand, silt, and clay

• Find the percentage

• Do not measure the water

How do you calculate the percentage of a soil component according to the instructions?

• (total sample amount/texture amount) x 100

• (texture amount/total sample amount) x 100

• (texture amount/100) x total sample amount

• (total sample amount/100) x texture amount

Which soil type is found at the intersection of 20% clay, 40% silt, and 40% sand?

• Loam

• Sandy clay loam

• Silty clay loam

• Clay loam

What is the primary purpose of using the soil texture triangle?

• To measure water content

• To classify soil types based on texture

• To determine soil color

• To calculate soil pH

Which soil type contains the highest percentage of clay?

• Sandy loam

• Clay

• Silt loam

• Loam

What is the texture classification for a soil with 30% clay, 30% silt, and 40% sand?

• Sandy clay loam

• Clay loam

• Loam

• Silty clay loam

Which component is measured first in the dirt shake method?

• Clay

• Silt

• Sand

• Organic matter