This page of text, from the US Geological Survey's Geology in the Parks website, discusses the difference between weathering and erosion. Full description.

Kids can explore environmental science topics using satellite imagery and NASA data. Materials presented here explain how people affect the Earth and how NASA studies land, water, the atmosphere, and natural hazards from space. Factoids which change every few minutes are presented, and kids can send postcards featuring NASA images to their friends. Full description.

This secondary-level educational program in Earth Sciences includes an extensive selection of student learning materials, teacher resources, and assessment tools for a hands-on, inquiry-driven instructional program. Module topics include Earth's geosphere (volcanoes, earthquakes, plate tectonics), understanding your environment (landscape evolution, river systems, land use), Earth's fluid spheres ... Full description.