Curated OER
Soil Erosion Demonstrations
Learners 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 without...
Curated OER
Demonstrating Erosion in Action
Young scholars 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.