Publisher's Synopsis
Part of a series designed to develop children's knowledge and understanding of the basic principles of movement, structures, energy, light, sound, materials and technology, using an integrated science aproach. A central theme running through the series is the close link between design in the natural world and design in modern technology.;This book introduces readers to a wide range of natural and man-made structures, from skeletons and bridges to skyscrapers and termite nests. This book also looks at materials, construction methods and the principles of scale. Topics include: forces; stresses and strains; plastic and elastic; tension and compression; beams, pillars and slabs; domes; key shapes; strings, chains and cables; skeletons; arch, beam and suspension bridges; dam builders; tunnellers; foundations; nests; skyscrapers; trees; problems of size.;Experiments accompany each section, and almost all can be carried out at home as well as at school. Facts and questions are scattered throughout the book, signposted by "!" and "?" symbols.