This learning activity from the Advanced Technology Environmental and Energy Center (ATEEC) will allow students to evaluate the difficulties that may arise in attempting to separate various materials. The lesson involves...

This activity is from the Advanced Technology Environmental and Energy Center (ATEEC), a national center that "promotes and supports environmental and energy technology education to address the needs of the national and...

The National Soil Survey Center (NSSC), as part of the Natural Resource Conservation Service, maintains the Soil Survey Laboratory Soil Characterization Database. The application allows users to generate, print and...

Fueled by economic pressure to maximize crop yields and government incentives to produce only one type of crop, contemporary American farmers have been facing a crisis reminiscent of one that hit the Great Plains in the...

Soil is essential for life on Earth. It is needed for food, air, clothing and so much more. Discussion topics include the terms 'soil', 'dirt', and 'sediment', factors affecting the formation of soils, soil horizons, and...