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[ Teens/Mature Teens ] - Provides tips for bridge-building projects, including topics such as form, connections, properties of balsa wood, links, and a bibliography.
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Balsa Wood Bridge Info
[ Teens/Mature Teens ] - Very detailed instructions on the construction of model bridges. Also has charts showing the properties of Balsa wood.
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Balsawood Structure Design
[ Kids/Teens/Mature Teens ] - An in depth analysis of test results of a balsa wood structure.
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Bridge Building Contest
[ Kids/Teens/Mature Teens ] - Description of a model bridge building contest. Also has tips on how to start your own contest.
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Model Bridge Design
[ Kids/Teens/Mature Teens ] - Tips and advice about designing and building model bridges from basswood and balsa.
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Physics Balsa Bridge Building Contest
[ Teens ] - Records, rules and tips for this twenty year old contest along with hundreds of photographs of bridges.
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Structure Guide
[ Teens/Mature Teens ] - Designed as a resource for DI model bridge competitions, but the basic principles will work for anyone.
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Technology and Bridge Design
[ Teens/Mature Teens ] - A bridge building activity with glossary terms.
