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School Library Journal
Reviewed on July 1, 2007
Gr 6-9 These titles link discoveries and inventions to earlier and contemporaneous ones, revealing the "chain reactions" that are often involved in advancements in technology and in knowledge. Ballard defines energy and its sources and traces its development from steam in the...Log In or Sign Up to Read More
Horn Book Guide
Reviewed on January 1, 2007
This book attempts to explain different properties of, ideas about, and discoveries related to energy. However, the informat...Log In or Sign Up to Read More