Curated OER
Soils: One of Our Natural Resources
"God made dirt, so dirt don't hurt!" In fact, dirt is soil, which is an amazingly dynamic material that we cannot live without! Dig into the depths of soil development, topography, and layers with this PowerPoint. The photos are fuzzy,...
Annenberg Foundation
Annenberg Learner: Earth and Space Science: Earth's Solid Membrane: Soil
Material to launch exploration of Earth's soil and its important role. View a one-hour video, accompanied by details on soil horizons and soil formation, and ideas for bringing this topic into the classroom.