Khan Academy
How We Know About the Earth's Core
The big question is, how do we know about the composition of the earth's core? Sal explains that at 105 degrees from the source point of an earthquake, the phenomenon of the p wave shadow zone leads us to conclude that the waves are...
SciShow
3 Unsolved Moon Mysteries
What do people really know about the moon? Learn about three unsolved moon mysteries: the moon's past magnetic field, lunar sunrises, and what's really inside the moon's craters. An engaging video from the SciShow Space series connects...
Be Smart
Where Do You Weigh the Most?
How much do you actually weigh? It all depends on gravity. Scholars explore why gravity varies in different locations and how these variations affect weight.
Kurzgesagt – In a Nutshell
Everything You Need to Know About Planet Earth
Earth provides all of the systems needed for life, and how it does that is very complex. The video explains how Earth got here and what makes it special. It details its layers, the atmosphere, and human's place on the planet.
Crash Course
The Earth
Your fingernails grow at approximately the same rate Earth's continents move. The video discusses Earth as a planet, its layers, our magnetic field, the atmosphere, and the human impact on Earth. It provides interesting facts that...
SciShow Kids
Could I Dig a Hole Through the Earth?
Why can't we dig through to the other side of the Earth? There are many layers and lots of heat, so the job is impossible. Watch a video that describes and explains each layer of the Earth.
SciShow Kids
Build Earth from the Inside Out! - #sciencegoals
The deeper you go into the Earth, the hotter it's going to get. Discover what is actually beyond the Earth's crust and why it gets hotter and hotter the further you go.
Be Smart
Why Does The Earth Have Layers?
How is the Earth like an onion? In this video from PBS Digital Studios, viewers first learn the different layers of Earth and their properties. In addition, they hear how these layers came about, starting with the Big Bang theory and the...
Khan Academy
Structure of the Earth
Salman Khan delves into the layers of the Earth. He provides names and general numbers about depths and composition.
Khan Academy
Hawaiian Islands Formation, Cosmology and Astronomy
Sal explains the formation of Hawaii and the theories behind the formation of a boundary-related hot spot. He debates the concept that the hot spot is traveling along with the plate.
Khan Academy
Compositional and Mechanical Layers of the Earth, Cosmology and Astronomy
Sal details the chemical and mechanical composition of the Earth's crust, mantle, and core layers—a substantial addition to your geology or earth science lecture.
Khan Academy
Plate Tectonics: Geological Features of Divergent Plate Boundaries
Sal explains the mechanism of crust lift developing at hot spots. The density changes at that point, continuing to cause depressions. The depressions and thinner layers fill with water, resulting in a flooded rift valley.
Curated OER
Inside the Earth
Can you show the parts of the Earth in less than a minute? This 50-second clip set to classical music, shows a cut away version of the Earth, exposing the inner core, outer core, mantle, and crust. It's short, sweet, and makes for a...
Khan Academy
Plate Tectonics: Difference Between Crust and Lithosphere, Cosmology and Astronomy
Explore the tectonic plates that make up the surface of our Earth and their movement, as well as the terminology of the Earth's structure.