Titles by Gretchen Woelfle

Explaining how the wind works, what windmills have contributed to the past, and why they offer environmental promise today as a source of clean, renewable energy, this revised and updated edition offers a glimpse into all the current and historical uses for wind power. Featuring new information on wind energy technology and wind farms, new photographs, and 24 wind-related activities—from keeping track of household energy use and conducting science experiments to cooking traditional meals and creating arts and crafts—this handy resource offers kids interested in the science of energy and green technologies an engaging, interactive, and contemporary overview of wind power.