Exercise
Overview of Soil Profile and Horizons
Get an overview of the distinct layers that form a complete soil profile. Learn how different horizons are structured beneath the surface.
Questions
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MultiChoice
What is a soil profile?
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MultiChoice
What are individual horizontal layers in a soil profile called?
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MultiChoice
Which letter sequence correctly orders major soil horizons from top to bottom?
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MultiChoice
Where is bedrock located in a full soil profile?
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MultiChoice
Which soil horizon contains the highest concentration of organic matter?
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MultiChoice
Which horizon is commonly known as topsoil?
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MultiChoice
What generally happens as you go deeper into a soil profile?
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MultiChoice
Which horizon accumulates leached clay, iron, and minerals from above?
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MultiChoice
What letter designation represents unweathered solid bedrock?
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MultiChoice
Why do mature soils develop distinct, well-defined horizons?
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MultiChoice
Which horizon consists primarily of slightly weathered parent rock pieces?
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MultiChoice
What process carries dissolved minerals downward through soil horizons?