Hands-on experiments introduce such structures as skyscrapers, dams, keystone bridges, igloos, and lock gates and show the materials used, the method of construction, and the source of strength.
Explores the people of the Arctic and Subarctic. Where they came from and what made them settle in a vast wilderness of snow and ice. How did they travel across the frozen landscape? What kids of homes did they build? And what did they invent to help them survive?.
Provides instructions for making models of things used by indigenous peoples of North America throughout the development of their thousand-year-old civilization.
Introduces basic facts about the properties of flight with instructions for related experiments and projects, and includes birds, bows and arrows, cannons, kites, hot air balloons, airships, gliders, helicopters, rockets, and many others.
