SOIL (CLICK HERE FOR A POWER POINT PRESENTATION)

1. Find an accurate definition of soil.

2. Give five reasons why soil is one of the most important natural resources.

3. Which layer can support plant life?.

4. How people must protect the fertility of soil?

5. How long is the replacement of soil losses by erosion?

6. Which are the main influences on soil formation?.

1. What kinds of parent material are there?

2. How climate conditions can affect soil development?

3. How land surface features affect soil development?

4. Give some ideas about the influence of plants and animals on soil formation.

5. Which are the main components of soil?

1. Why is important humus?

2. Give your ideas about how soil water and soil air contribute to the fertility of the soil.

3. How colour gives an idea about soil development?

4. Which are the differences between texture and structure of the soil?

5. Classify the soil particles accordingly their diameter?

6. Give some examples of soil structures.

1. Classify the chemical elements included in a soil, explaining the origin of them.

2. Define field capacity.

3. Define wilting point.

4. Describe some of the use of soil.

5. What kind of impacts could affect to a soil?

A SOIL QUEST?