Windpower GB

by Norman F. Smith

Describes why the wind blows and how it can be harnassed through use of windmills to provide free, non-polluting energy. This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 0698307321
• ISBN13: 9780698307322
• Release Date: December 1981
• Publisher: Putnam Publishing Group
• Length: 45 Pages
• Weight: 0.75 lbs.
• Age Range: 8 to 12 years
• Grade Range: Grades 3 to 7