He who knows what sweets and virtues are in the ground,
the waters, the plants, the heavens, and how come at these enchantments,
is the rich and royal man.

Ralph Waldo Emerson


Key words or concepts:
Basic questions concerning soil
What is soil?
How does it form?
Classification
Soil Horizons
O
A
E
B
C
R
In humid environments, example

In arid environments, example

Bauxite

Useful links:

Earth Science Picture of the Day


Return to Intro to Environmental Science syllabus