Soil and Soil Formation

The horizon is called the subsoil, usually consist of clay and other particles leached down from the A Horizon

• B Horizon

• A Horizon

• Erosion

• Bedrock

Which type of climate will cause the slowest weathering and soil formation?

• humid and hot

• dry and cold

• moderate temperature

• cold and wet

Tags

NGSS.MS-ESS2-6

Which of the following is the most important soil formation factor

• Time

• Climate

• Slope

• Organisms

Which layer of soil are these roots growing in?

• subsoil

• topsoil

What is the first step in soil formation?

• Erosion

• Weathering

• Deposition

• Decomposition

Which soil horizon is usually called "topsoil" and contains primarily humus.

• Horizon O

• Horizon A

• Horizon B

• Horizon C

Which of the following contributes to most of the organic remains found in humus?

• Plants

• Animals

• Rocks

• Minerals

What are the three different particles found in soil?

• Clay, sand, silt

• Dirt, air, marble

• Gravel, water, marble

• Dirt, air, water

Which of the following is the smallest particle you can find in soil?

• Sand

• Clay

• Silt

• Loam

What type of soil is an equal mixture of sand, silt, and clay?

• Sandy soil

• Loam

• Clay soil