Curated OER
Volcano 101
Another fantastic video from National Geographic! This one teaches the basics of volcanoes; where they occur, why they occur, the different types of volcanoes, and the benefits and hazards of living nearby an active volcano.
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.
Curated OER
Miracle Planet - Snow Ball Earth 1/5
Erratics, or drop-stones, are geographic abnormalities. Large stones that appear in unlikely places point to glacial movement. Lava flow also helps scientists determine timing of multiple Ice Ages. Watch this clip along with the four...
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.