Curated OER
Soil Erosion Demonstrations
Young scholars conduct experiments demonstrating soil erosion and the benefits of conservation practices. Working in groups, they use topsoil and sand in shallow boxes as models to examine the effects of water on soil and sand with and...
Curated OER
Demonstrating Erosion in Action
Students easure and record volume of water, then measure and record mass of soil. They explain the effects of the following in controlling erosion: Contouring, cover crop, strip cropping, reforestation, inter-seeding.