Four Spheres Part 1 (Geo and Bio): Crash Course Kids #6.1

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... Read more »

Big Changes in the Big Forest: Crash Course Kids #38.2

What do beavers, termites, and prairie dogs have in common? They all change their environments! Last time we talked about how humans change their environments, but humans are animals and all animals... Read more »
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