What covers less than 10% of the Earth's surface, yet is a vital natural resource for terrestrial life? What filters ground water and supports most of our food production, not to mention the production of building materials and paper?...

Fourth graders study the differences between humus, sand, and clay soil.

Kids learn about the Earth science subject of soil including how it is formed, properties, horizons, layers, topsoil, bedrock, and facts about soil.

Archaeologists study artifacts and soil and they use post holes to determine just how old the layers of soil is. Based on the location of post holes, archaeologists can determine if they are finding a house, or a wall or even a fort....

Trowbridge's Shrews are strong burrowers, particularly in deep, organic layers of soil, and are common where those burrowing condition are available, and where there is plenty of canopy and a low water table. They range through coastal...

Students investigate the critical nature of foundations as they learn differences between shallow and deep foundations, including the concepts of bearing pressure and settlement. Using models representing a shallow foundation and a deep...

Groundwater is stored in and moves slowly through layers of soil, sand and rocks called aquifers. To help you visualize groundwater, you will make an aquifer, in this case, an edible one. This will show you how groundwater is stored and...

Students build a model to learn about the cycle of erosion and deposition by water and wind which deposits layer upon layer of rock, soil, and organic material to the surface.

Welcome to Planet Ark's daily Reuters World Environment News - the most comprehensive source of environmental news on the Net. To read previous news stories, please use the search engine below to find stories relating to any...

" North China includes the densely populated and intensively cultivated North China Plain, the loess-covered uplands of Shansi, northern Shensi, and eastern Kansu, and the sparsely populated, semiarid steppes of Inner Mongolia....