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Java Games: Flashcards, matching, concentration, and word search. |
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The Nature of Soil
Lesson 2 Vocabulary
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| A | B |
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| profile | a vertical slice through rock, sediment, or soil |
| soil | mixture of weathered rock, decayed organic matter, mineral fragments water and air |
| humus | dark-colored material formed by decaying organic matter |
| horizon | each layer in a soil profile |
| soil profile | all the horizons of a soil |
| litter | leaves, twigs, and other organic material that can be changed to humus |
| leaching | process in which dissolved minerals are carried through soil by water |
| How many horizons in most soil? | (3) a, b, c |
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