Unit 2 Lesson 5 Soil Formation

Front

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

Back

Valleys and Flat Areas

Front

Which are contained in soil?

Back

Small rock fragments and air

Front

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

Back

erosion

Front

Examine the soil profile below. Note there are many ground cover plants and a tree with deep roots. Which soil horizon is primarily responsible for this soil’s fertility?

Back

Horizon A, because it contains humus and other organic nutrients that plants need.

Front

Describes the spaces between soil particles allowing for water and air to move easily.

Back

Pore space

Front

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

Back

deposition

Front

Soil formation begins with the weathering of the _______.

Back

Parent rock

Front

Humus is.....

Back

the dead parts of plants and animals in soil.

Front

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

Back

smooth and sticky

Front

Decayed organic material turns into dark colored material called __.

Back

humus