Cotton Gin

Grades 5-8 Social Studies and Science - Time, Continuity, and Change - Identify and use concepts such as chronology, casuality, change, conflict, and complexity to explain, analyze, and show connections among patterns of historical change and continuity. - Science and Technology in Society: V: F-5 - Technology influences society through its products and processes. - History and Nature of Science: VII: G-3C - The history of science can show how difficult it was for scientific innovators to break through the accepted ideas of their time to reach the conclusions that we currently take for granted.Masters, Nancy Robinson is the author of 'Cotton Gin' with ISBN 9780531139011 and ISBN 0531139018.