Soil

Front

Which of the following is NOT a property of soil that can be observed? Composition, Texture, Particle Size, O² given off, Soil Profile

Back

O² given off

Front

What are soil layers called?

Back

Horizons

Front

How many layers does a mature soil profile contain?

Back

3

Front

What are the 3 main soil horizons for a mature profile?

Back

topsoil, subsoil, parent material

Front

What is the composition of topsoil? Options: sand, silt, clay; humus, silt, rocks; sand, rocks, minerals; humus, clay, minerals

Back

humus, clay, minerals

Front

In which horizon do most animals such as bugs live?

Back

Topsoil

Front

What is decayed organic material in soil?

Back

humus

Front

What is the origin of clay, silt, and sand?

Back

bedrock

Front

What does the size of the soil particles determine?

Back

texture

Front

What are loam, clay loam, silt loam, and clay?

Back

Soil Textures