"This book discusses the science behind plane crashes. The chapters examine the worst plane crashes in history, explain how aircraft fail, and show how scientists and engineers are designing safer aircraft"--Publisher.
"This book discusses the science behind plane crashes. The chapters examine the worst plane crashes in history, explain how aircraft fail, and show how scientists and engineers are designing safer aircraft"--Publisher.
Explains how the sun's energy travels through plants and animals along a path called the food chain, discussing producers and consumers, how nothing is wasted, how scientists study food chains, and more.