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Crash Course
Tides
Today Phil explores the world of tides! What is the relationship between tides and gravity? How do planets and their moons become tidally locked? What would happen if you were 300km tall? Important questions.
Crash Course Kids
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?...
Curated OER
The Solid Earth - Environmental Science
What is the solid part of the earth and how does it effect our environment? Professor Paul Tackley explains how the active, solid part of the earth is responsible for volcanoes, earthquakes, and plate tectonics. He uses solid examples...