Importance of Soil

Summary
This lesson is designed to demonstrate the importance of soil.

Objectives
• To be able to identify the factors that contribute to how soils are formed.

• To be able to name the minerals that make up soils.

• To be able to list some of the functions of soil.

Suggested Grades
2nd Grade
3rd Grade
4th Grade

Excerpt
There are many different types of soil. Soil is made up of different sizes of minerals like clay, silt, and sand. The combination of these minerals determines how the soil can be used. For example, soil with a high sand content is not very strong and should not be used as a material for buildings. Soil that is mainly clay often cracks as it dries. Throughout history, soil has been an important part of the building process since it is used for making bricks and concrete.

Continued...