Difference between revisions of "AY Honors/Soils/Answer Key"
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{{honor header|1|2006|Nature|North American Division}} | {{honor header|1|2006|Nature|North American Division}} | ||
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==1. Define what "soil" means?== | ==1. Define what "soil" means?== | ||
==2. Where on earth is all soil located?== | ==2. Where on earth is all soil located?== | ||
Revision as of 18:01, 16 May 2008
1. Define what "soil" means?
2. Where on earth is all soil located?
3. What are 5 key factors in soil formation?
4. Define the following terms:
a. A-Horizon
b. B-Horizon
c. C-Horizon
d. Organic layer
e. Mineral layer
f. Clay
g. Leaching
h. Silica
i. Humus
j. Soil Profile
k. Parent Material
l. Pedologist
5. Define the term "Soil Classification". Why are soils classified?
6. Discuss three differences between the following soil types:
a. Desert
b. Temperate
c. Tropical
7. Examine a 2-foot vertical section of soil. Label the different types of organic matter found, identify the different soil horizons, and mark the transition from the soil layer to the mineral layer.
8. Draw, photograph, or collect and correctly label 5 different soil types.
References
- http://soils.usda.gov/
- http://www.fao.org/WAICENT/FAOINFO/AGRICULT/AGL/agll/wrb/newkey.stm#DURISOLS
- Bloom, Arthur L. (1978). Geomorphology: A Systematic Approach of Late Cenozoic Landforms. Prentice-Hall, Inc., Englewood Cliffs, New Jersey. ISBN 0-13-353086-8
- Press, Frank and Raymond Siever. (1978). Earth.W.H. Freeman & Company. San Francisco. ISBN 0-7167-0289-4.
