Bridges: Amazing Structures to Design, Build & Test by Carol A. Johmann
	List Price:   $12.95 Unit Price:   $10.36 You Save:   $2.59 (20%) ISBN-10:   1885593309 ISBN-13:   9781885593306 Publisher:   Williamson Publishing Company Category:   Science Books Pub. Date:   October 1999 Pages:   96 Format:   Paperback Ages:   7 to 14
Description/Notes
Build bridges of your design -- from the 'workhorse' truss-beam bridge to the dazzling suspension bridge. Use bridge-building basics, and, along the way, discover how science and creativity come together in the creation of those weight-bearing wonders -- bridges. Choose the best bridge design for different sites. Make decisions about cost, safety, materials, and the environment. Build and innovate using available materials. Test your construction for function and load.