skip to main content
The Science of Soil

The Science of Soil

Apply for Free Membership

This series explores all aspects of soils. Some of the topics covered include the physical and chemical properties of soil, the organisms found in different soils, and the formation of soils.

Logarithmic scale shows a horizontal line with equal-sized notched increments labeled 1, 10, 100, and 1,000. Notches between each point are spaced out differently to represent the scale difference. Between 100 and 1,000, the notches representing smaller numbers are labeled "far," while the notches representing the larger numbers are labeled "close."
The Science of Soil
Season 0 / Ep 1
8 minutes
Grade Level: 7 - 12
Digital art. Zoomed-in superscript number 2, representing a number squared, to the left of the quotation-mark notation for "inches."
The Science of Soil
Season 0 / Ep 2
5 minutes 19 seconds
Grade Level: 7 - 12
White-haired woman with her hair in a braid talks while seated in front of many shelves of books.
The Science of Soil
Season 0 / Ep 3
5 minutes 37 seconds
Grade Level: 7 - 12
Landscape with trees and brush, and sharp mountains in the distance under a blue sky. A woman stands in the foreground wearing a protective hat.
The Science of Soil
Season 0 / Ep 4
4 minutes 18 seconds
Grade Level: 7 - 12
Woman wearing a red New Mexico State T-shirt looks at us as she sits at a lab bench on which sample tubes, various containers, and equipment can be seen.
The Science of Soil
Season 0 / Ep 5
4 minutes 45 seconds
Grade Level: 7 - 12
Woman wearing a red New Mexico State T-shirt talks with someone offscreen while she sits at a lab bench on which sample tubes, various containers, and equipment can be seen.
The Science of Soil
Season 0 / Ep 6
4 minutes 37 seconds
Grade Level: 7 - 12
Woman wearing a red New Mexico State T-shirt talks with someone offscreen, sitting at a lab bench, where sample tubes, various containers, and equipment can be seen.
The Science of Soil
Season 0 / Ep 7
3 minutes 9 seconds
Grade Level: 7 - 12