Four Spheres Part 1 (Geo and Bio)

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! This first series is based on 5th grade science. We're super excited and hope you enjoy Crash Course Kids!