Soil Formation and Structure

Which of the following shows where soil formation happens at a faster rate?

• Cold, dry climate
• Steep Slopes
• Valleys and Flat Areas
• Few animals and plants are present

Which are contained in soil?

• Small rock fragments and air
• Inorganic humus and dead animals
• Earthworms and crete
• Landslides and water

What is the movement of soil from one place to another?

• weathering
• deposition
• discharge
• erosion

Weathering and erosion are the same thing.

• True
• False

Waves dropping sand on the beach is called?

• Weathering
• Erosion
• Deposition
• Movement

The process of moving weathered rock and depositing it in another location is called?

• weathering
• erosion
• deposition

Soil formation begins with the weathering of_______.

• Humus
• Subsoil
• Litter
• Rock

Humus is.....

• the dead parts of plants and animals in soil.
• A food we eat with pretzels.
• The tiny particles inside of soil
• The roots that come off of a plant and live in soil.

How would you describe the texture of "sandy" soil?

• sticky
• gritty
• smooth
• slimy

Decayed organic material turns into dark colored material called __.

• litter
• clay
• humus
• soil