PBS
Pbs Learning Media: Bringing the Universe to America's Classrooms
WGBH in collaboration with NASA presents digital media resources you can use to teach topics in K-12 Earth and Space Science. These free resources are organized into four grade bands. Each resource emphasizes engaging students in...
Science Buddies
Science Buddies: Get Down and Dirty: How Does Soil Change With Depth?
What covers less than 10% of the Earth's surface, yet is a vital natural resource for terrestrial life? What filters ground water and supports most of our food production, not to mention the production of building materials and paper?...
Other
Geology.com: Rocks: Rocks: Igneous, Metamorphic and Sedimentary
Rocks hold the history of the earth and the materials that will be used to build its future. This website holds a treasure of information regarding igneous, metamorphic and sedimentary rocks.