Soil Profile Exploration
A Grade 12 science worksheet exploring the layers and characteristics of a soil profile, including composition, formation, and ecological significance.
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Soil Profile Exploration
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Read each question carefully and answer to the best of your knowledge. Use complete sentences for short answer questions.
1. Which soil horizon is characterized by the accumulation of organic matter and is typically dark in color?
O horizon
A horizon
B horizon
C horizon
2. Leaching is most pronounced in which soil horizon?
A horizon
E horizon
B horizon
R horizon
3. The process of soil formation is called .
4. The horizon is also known as the subsoil, where minerals and clay accumulate.
5. Describe the main characteristics of the O horizon and its importance to the ecosystem.
6. Label the different horizons in the soil profile diagram below:
O Horizon:
A Horizon:
E Horizon:
B Horizon:
C Horizon:
R Horizon:
7. The R horizon consists of unweathered bedrock.
True
False