Soil Horizons and Soil Erosion

Which of the following is a component of soil?

• water

• mineral

• organic material

• all of the above

What do you call the loss of topsoil and nutrients in the soil?

• Soil erosion

• Soil Compaction

• Urbanization

• Desertification

Which of the following is not a factor of soil formation?

• parent material

• climate

• topography

• planetary orbit

Which of the following is the smallest particle of soil?

• clay

• silt

• sand

• gravel

What do you call the ideal type of soil for agricultural purposes?

• loam

• silt

• sand

• clay

The sequence of the soil horizons from surface down to the bedrock is called ___?____

• Soil Horizons

• Soil Texture Triangle

• Soil Profile

• Soil Resume

Which of the following is composed of accumulated clay and other nutrients from the layers above it?

• subsoil

• substratum

• surface horizone

• eluviation

Which horizon can you find the superficial material covering the bedrock?

• O

• E

• R

• A

What are the processes that form soil? Check two boxes.

• weathering

• erosion

• hydration

• aeration

Tags

NGSS.MS-ESS2-2

What are the three major horizons of the soil profile? Check three.

• A

• B

• C

• O

• E