Curated OER
Structure of the Earth
Salman Khan goes into detail about the layers of the Earth. He provides names and general numbers about depths and composition.
Curated OER
Exploring Our Backyard, The Solar System - Part 1/2
A charming narrator introduces viewers to the wonders and history of our own solar system. A full explanation describing the birth of our sun, planets, and entire solar system. This is the first part of a two-part series on our solar...