inventions that changed the world-- and the science behind them
Law, Felicia
2015
"Leo teaches his cat Pallas all about buildings and structures by applying his knowledge of science to their stone age world. This fun introduction to science concepts explains ramps, forces and loads, tension, and more. Information boxes accompany each story to explore real applications of buildings and structures in the natural and designed world."--Provided by publisher.
This book explores the history and building of several major landmarks in America, including the Brooklyn Bridge, River Rouge industrial plant, the Empire State Building, and the Interstate Highway System.