Soil Triangle

40 % Sand

50% Silt

10% Clay

• Clay

• Clay Loam

• Silt Loam

• Sandy Loam

What is the name of a soil that is:
30% Sand
10% Silt
60% Clay

• Clay
• Silt loam
• sand
• Sandy loam

What is the name of a soil that is:
85% Sand
10% Silt
5% Clay

• Sand
• Silt loam
• Loamy sand
• Sandy loam

If you have 50% clay, 10% silt, and 40% sand, what type of soil do you have?

• silty clay
• clay loam
• clay
• sand

What is the name of Horizon 4?

• Subsoil 
• Topsoil
• Bedrock 
• Parent Rock

What do we call the layers of soil?

• Deposits
• Horizons
• Minerals
• Rocks

The very top layer of soil is mostly made of

• Solid rock 
• Clay and mineral deposits
• A mixture of minerals and organic material
• Mostly organic material (humus)

Which layer of soil is on the bottom?

• topsoil
• subsoil
• bedrock
• bottomsoil

Decayed organic material in soil is called______.

• Litter
• Silt
• Humus
• Clay

The layer of soil which the topsoil is found.

• Horizon A
• Horizon B
• Horizon C
• Horizon D or R