Curated Video
Identifying Trapezoids and Parallelograms
In this video, students will learn how to identify trapezoids and parallelograms by looking at their shared attributes. The teacher explains the concept of quadrilaterals and helps students categorize shapes into quadrilaterals and...
Gresham College
How the Earth Moves - Professor Carolin Crawford
Our spaceship Earth is in constant motion -- rotating and revolving as it traverses through space: http://www.gresham.ac.uk/lectures-and-events/how-the-earth-moves This is a story of our evolving understanding of the geography of Earth's...
Geography Now
Geography Now! Greece
It may be the cradle of European civilization, but Greece faces some challenges including a gender imbalance and economic worries. The sea-faring nation has one of the largest numbers of archeological sites in the world, and its culture...
Crash Course
Ancient Mesopotamia
Mr. Green provides an overview of Ancient Mesopotamia by examining the political structures and cultural beliefs of the region. The video reviews shifts in authority from religious to political leaders, as well as the influence of...
Periodic Videos
Lead
Ancient Greeks, Romans, and Chinese documented the poisonous properties, yet the production of lead increases every year. Young scientists learn about this dangerous element in episode 82 of a 118-part series. It shares lead's...
Crash Course
Water and Classical Civilizations: Crash Course World History 222
Humans cannot survive without water, and neither can civilizations. A brief history of ancient civilizations and their dependence on—and management of—water demonstrates how states either flourish or flail based on the availability of...