Everything you need to understand or teach The 12th Planet by Zecharia Sitchin.
In THE 12TH PLANET, Zecharia Sitchin argues that Sumerian myths of a pantheon of gods are no less than fact and that Earth's solar system includes an additional planet called Shar which comes near Earth every 3,600 years on an elliptical orbit that takes it deep into space. The planet, he claims, is inhabited by advanced alien beings called Nefilim. Based on a Sumerian origin myth, he recounts how the arrival of this planet formed the solar system as we know it, and he credits the Nefilim for advancing humanity and also for the stories of the Great Flood.
Sitchin gives a history of the archeological investigation into ancient societies, tracing the known culture of ancient Greece back to earlier cultures, finally arriving at the earliest known civilization of Sumer. He gives the impression that earlier cultures were more advanced than later ones and that Sumer arose suddenly and...
The 12th Planet Lesson Plans contain 119 pages of teaching material, including: