Curated OER
Chapter 3 ~ Physical Properties of Soil
Though information-packed, this presentation on soil is drab if it stands alone. As you journey through slides about soil texture, make sure to pass around samples of each type. Perform demonstrations as you lecture on soil density and...
Curated OER
What Kind of Garden Would Grow in Our Schoolyard?
Students perform soil tests for pH, nitrogen, phosphorus, potassium, composition and water percolation rate and assess the conditions in the schoolyard.
Curated OER
Fall of the Leaning Tower
Students participate in a hands-on experiment with different soil structures and the ability of each to carry a specific load. Students take a core soil sample and describe its content layers. Students stand bricks in the soil overnight...
Curated OER
Soil Structure
Sixth graders examine how different soils are made up of varying proportions of clay, silt, and sand. They compare soil samples, conduct Internet research, and create a model to demonstrate the relative sizes of grains of clay, sand, and...
Science Buddies
Science Buddies: Soil Compaction
Have you ever had to dig a hole in really hard dirt? It is a lot of work. In this experiment you can make an instrument to test the soil and find out how compacted it is, before you dig.
Discovery Education
Discovery Education: The Dirt on Soil
This interactive website explores the various soil layers and introduces you to the lifeforms that live in those soil layers.
Other
South Africa: Soil Erosion
A thorough explanation of erosion including causes of soil erosion, water erosion, and water erosion.
![Pipeline: Soil Characteristics Demystifying Dirt [Pdf] Article](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Pipeline: Soil Characteristics Demystifying Dirt [Pdf] Article")
Other
Pipeline: Soil Characteristics Demystifying Dirt [Pdf]
Soil is the foundation of conventional on site wastewater treatment.The drainfields used with on site systems work because the soil around the trenches acts as a filter and removes organic matter, some of the nutrients present in...
US Department of Agriculture
Natural Resources Conservation Service: Sk Worm: Ask the Answer Worm
Soil facts presented by S.K.Worm. A series of questions about soil, its structure, purpose and vulnerability are answered by this engaging worm.
Other
The Pedosphere and Its Dynamics: Intro to Soil Science
This Pedrosphere site provides a twelve chapter overview of soil science. Numerous topics are discussed and each chapter has a self-test to test your knowledge on the different aspects of soil science. Some chapters are only previews.
Other
Attra: Sustainable Soil Mangement
How does soil in its native condition function? How do forests and native grasslands produce plants and animals in the complete absence of fertilizer and tillage? What are the principles by which these soils function? The answers to...
The Field Museum
Field Museum: Exhibits: Underground Adventure
The Chicago Field Museum provides a comprehensive soil education project covering topics such as soil structure and organisms living underground. Students can use the site for research or do the full-blown project, where they establish a...
Texas A&M University
Soil Physical Properties: Texture
Descriptive site provides details on the physical properties of soil. Contains a brief description on soil texture as well as structure, consistence and color.