Crash Course Kids

Four Spheres Part 1 (Geo and Bio) (1x11)

Air date: Apr 17, 2015

In this episode of Crash Course Kids, Sabrina talks about two of the four spheres that make up our planet; The Geosphere and the Biosphere. What's in these spheres? How do they affect us? How do they fit into the puzzle that is Earth? All is contained within!