[Free Registration/Login Required] A flipchart showing how fold mountains are created, where they can be found, and the way of life of people who live in them.

A suite of lessons focusing on all aspects of how mountains are formed. Inquiry-based exploration of mountain building includes the rock cycle, mountain formation, plate tectonics, earthquakes, volcanoes, erosion, rocks, minerals, and...

A brief history of the art of Origami by Joseph Wu. Basic techniques, types of paper, and terminology are discussed.