It takes a lot of energy to support life on Earth. Where does it all come from?
Four Layers of Soil
There are four horizons (layers) of soil: O, A, B, and C. Learn about them all here.
Lithosphere, Hydrosphere, Atmosphere, and Biosphere
In this video from The World Almanac for Kids, learn more about how the lithosphere, hydrosphere, atmosphere, and biosphere interact. If you're at home, you'll need your school's INFOhio username/password. If you don't know it, find it on INFOhio's Get Password page.
Have you ever wondered what the topography of your town is? Just enter an address to explore your town and other places on Earth with this map.
National Geographic: Lithosphere
What makes the lithosphere a unique layer of earth? Follow the link to learn more about the "coolest and most rigid part of the Earth." Find images, diagrams, and an encyclopedia article. Note: Links to the maps are no longer available.
The Rock Cycle
Rocks can change from one form to another. Find out how in this Study Jam from Scholastic.