Some scholars believe that more than half of the basic inventions on which today's world depends came from ancient China. The ancient Chinese made the first iron plows in the world and also invented the wheelbarrow, the seismograph, and many other invaluable things. Readers will learn about the many technologies that the Chinese created or improved upon. Supports history-social science content standards mandating student understanding of the origins and influence of agricultural, technological, and commercial developments in key ancient civilizations. Broadens student understanding of the relationship among science, technology, and society by highlighting how major scientific and mathematical discoveries and technological innovations have affected societies throughout history.