Video · Dark Matter: Crash Course Astronomy #41 TwitterShare on Facebook2K 1 050 850 views Crash Course - December 3, 2015 Science Crash Course More Videos The Deepest Point in the World: Crash Course Geology #12 Science · 1 day ago How Do Mountains Form?: Crash Course Geology #11 Science · 1 week ago What is Plate Tectonics: Crash Course Geology #10 Science · 3 weeks ago What is Plate Tectonics: Crash Course Geology #10 Science · 3 weeks ago How Water Shapes the Land: Crash Course Geology #9 Science · June 18, 2026 How Water Shapes the Land: Crash Course Geology #9 Science · June 18, 2026 Myths About Diamonds: Crash Course Geology #8 Science · June 11, 2026 How Do Gems Form?: Crash Course Geology #7 Science · June 4, 2026
