This 10-minute video lesson looks at the four fundamental forces: Gravity, weak …
This 10-minute video lesson looks at the four fundamental forces: Gravity, weak interaction, electromagnetic force, and strong interaction. [Cosmology and Astronomy playlist: Lesson 15 of 85]
This 4-minute video lesson looks at the predicted collision of the Milky …
This 4-minute video lesson looks at the predicted collision of the Milky Way Galaxy with Andromeda (forming "Milkomeda"). [Cosmology and Astronomy playlist: Lesson 37 of 85]
This 8-minute video lesson looks at how the Hawaiian Islands were formed …
This 8-minute video lesson looks at how the Hawaiian Islands were formed by a stationary hot spot under the Pacific plate. [Cosmology and Astronomy playlist: Lesson 49 of 85]
This 6-minute video lesson explains how we know about the Earth's core. …
This 6-minute video lesson explains how we know about the Earth's core. It shows how S-wave shadow and P-wave detection patterns give us information about the core. [Cosmology and Astronomy playlist: Lesson 55 of 85]
This 12-minute video lesson provides an overview of evolution from from the …
This 12-minute video lesson provides an overview of evolution from from the extinction of the dinosaurs to humanity. [Cosmology and Astronomy playlist: Lesson 64 of 85]
This 11-minute video lesson works through a calculation for K-Ar dating (it …
This 11-minute video lesson works through a calculation for K-Ar dating (it is good to have some prior experience with e and logarithms to understand). [Cosmology and Astronomy playlist: Lesson 80 of 85]
This 13-minute video lesson ponders how we get calories from the land …
This 13-minute video lesson ponders how we get calories from the land and the limits of human population density. [Cosmology and Astronomy playlist: Lesson 83 of 85]
This 7-minute video lesson looks at the lifecycle of massive stars (stars …
This 7-minute video lesson looks at the lifecycle of massive stars (stars with masses greater than 9 times the sun). [Cosmology and Astronomy playlist: Lesson 27 of 85]
This 13-minute video lesson looks at how changes in Earth's rotation can …
This 13-minute video lesson looks at how changes in Earth's rotation can effect Earth's seasons and climate. It discusses Milankovitch Cycles, Precession, and Obliquity. [Cosmology and Astronomy playlist: Lesson 71 of 85]
This 7-minute video lesson explains what parallax is and how it is …
This 7-minute video lesson explains what parallax is and how it is used to determine distances between stars. [Cosmology and Astronomy playlist: Lesson 21 of 85]
This 8-minute video lesson looks at plate tectonics and the difference between …
This 8-minute video lesson looks at plate tectonics and the difference between crust and lithosphere. [Cosmology and Astronomy playlist: Lesson 43 of 85]
This 6-minute video lesson continues to explore plate tectonics. It covers the …
This 6-minute video lesson continues to explore plate tectonics. It covers the geological features of convergent plate boundaries. [Cosmology and Astronomy playlist: Lesson 47 of 85]
This 6-minute video lesson coninues to look at plate tectonics. It discusses …
This 6-minute video lesson coninues to look at plate tectonics. It discusses plates moving due to convection in mantle. [Cosmology and Astronomy playlist: Lesson 48 of 85]
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