As the supply of fossil fuels dwindles, alternative energy sources such as hydroelectricity may become increasingly important. Through a narrative-driven pro/con format--supported by relevant facts, quotes, anecdotes, and full-color illustrations--this title examines the future of hydropower.
Hydrogen power is considered by some to be a promising source of alternative energy. Through a narrative-driven pro/con format supported by facts, quotes, anecdotes, and full-color illustrations this title examines the future of hydrogen power.
Explores the innovation and physical science behind bridges and tunnels, featuring illustrated, step-by-step instructions for twenty-five projects designed to help students learn about the engineering process.
Provides information on the possible effects of electromagnetic radiation called radiofrequency (RF) energy, which may increase the risk of brain cell damage leading to tumors.
Presents a collection of experiments and activities to help children understand various types of engineering such as structural, solar, electrical, and chemical; and describes how each is applied to everyday situations.
This book provides children with instructions and tips on how to build a variety of useful objects, including a compass in a jar, a homemade flashlight, and a treehouse telephone.
This book provides children with instructions and tips on how to build structures for a variety of hangouts, including a tepee, a leaf hut, and an umbrella tent.
This book provides children with instructions and tips on how to build a variety of vehicles, including a mousetrap car, a paddle wheel boat, and a Formula One racecar.
Presents an introduction to engineering, and tells the stories of a selection of engineering feats and failures, including the Sydney Opera House, the Eiffel Tower, the Leaning Tower of Pisa, and many others.
