Unit 3: Soil

What is a large, slow-moving mass of ice and snow on land called?

• Loess

• Glacier

• Mudflow

• Rockfall

Which term describes a deposit of wind-blown silt and clay?

• Dune

• Loess

• Humus

• Soil Horizon

What is the process called when soil and rock move slowly down a slope?

• Creep

• Landslide

• Mudflow

• Rockfall

Which of the following is a type of soil layer?

• Soil Profile

• Soil Horizon

• Humus

• Marsh

What is the organic component of soil formed by the decomposition of leaves and other plant material?

• Loess

• Humus

• Glacier

• Barrier Island

Which term refers to a ridge of sand formed by the wind?

• Dune

• Glacier

• Loess

• Mudflow

What is a low-lying wetland area that is often flooded called?

• Marsh

• Barrier Island

• Soil Profile

• Rockfall

Which of the following is a type of mass wasting involving the rapid movement of a large amount of earth material?

• Creep

• Landslide

• Soil Horizon

• Humus

What is the term for a long, narrow island that forms parallel to a coast?

• Marsh

• Barrier Island

• Glacier

• Loess

Which term describes the mixture of weathered rock, organic matter, water, and air?

• Soil

• Humus

• Loess

• Glacier