Soil Worksheet-9

Soil Worksheet-9

Crossword:

1. The uppermost layer of the Earth's surface rock.
2. A method of farming generally adopted in hilly areas in which the sloping ground is cut into large steps called terraces on which crops are grown.
3. The removal of soil by running off tiny particles of sand, mud, and water and wind.
4. The capacity to hold or retain water.
5. Diffused wetness that can be felt as vapour in the atmosphere or condensed liquid on the surfaces of objects.
6. The slow passage of a liquid through a filtering medium.
7. A section that shows distinct layers of soil when we cut straight down into the soil.
8. The disintegration of rocks on the Earth's surface due to exposure to natural forces such as wind, water, frost, roots of plants, etc.
9. A thin layer of mineral particles and a layer of dead and decayed plant and animal remains.
10. A very fine-grained soil that is plastic when moist but hard when fired.
11. A soil which has low water retention and low total quantity of pore space even though individual pores are large.
12. Soil composed of sand, silt, clay, and organic matter in evenly mixed particles of various sizes.

Name the following:

This is a vertical section that shows the distinct layers of soil or horizons when we cut straight down into the soil. Name the layers of the soil.

Hint: Name the layers not the horizons

Question:

A ____________

B ____________

C ____________

D ____________

E ____________

Answer Key:

Crossword:

1. Soil
2. Terrace farming
3. Soil erosion
4. Water retention
5. Moisture
6. Percolation
7. Soil profile
8. Weathering
9. Humus
10. Clayey soil
11. Sandy soil
12. Loamy soil

Name the following:

A.  Organic layer

B.  Topsoil

C.  Subsoil

D.  Parent material

E.  Bed rock