An interesting, but sparse, PowerPoint on early North American history awaits your class. The presentation is only two slides. It is a copy of a letter written by Charles Lawrence to Major Hanfield commanding him to clearing the country...

The United States consumes more oil than any other country, about 1.85 billion barrels (or 77 billion gallons) a day. Viewers learn about the history of fossil fuel exploration and how they are formed in an informative presentation. They...

Recover sunken treasure with this interactive PowerPoint! Break your class into two teams: the divers and the surfers. They'll work together to answer 20 multiple choice questions, reviewing major events that occurred during the 1800s....