Describes how man-made structures such as tunnels, bridges, and dams have been built and how they have changed the way we live; and observes the beauty and strength of both man-made and natural structures. Also gives instructions for building one's own structures.
Discusses different types of water transportation, including rafts, sailboats, and amphibious craft, and gives step-by-step instructions on building models and performing related activities.
Discusses the development of flight from hot-air balloons, kites, and gliders to the modern jet airplanes and rocket-propelled spacecraft. Includes experiments which explain the principles of flight.
Examines natural fabrics, such as cotton and linen, as well as synthetic fibers, such as nylon and rayon. Includes sections on the uses of colors, dyes, and prints.
