Balsa Wood Bridges

• Balsa Wood Truss Bridges

  • The student will take notes on the three main types of bridges. Suspension, Cable stay and Truss Bridges.

  • The student will be able to design a balsa wood truss bridge showing the top and side views.

  • The student will be able to construct a balsa wood truss bridge by utilizing tools and their partners.

  • The student will be able to test their balsa wood truss bridges for efficiency.

  • The student will design a presentation of their balsa wood truss bridges.

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  Design and build a balsa wood truss bridge that is as efficient as possible with with the following materials:
   

  • Balsa wood stick 1/4" x 1/4" x 36"   5

  • Paper -- As needed

  • Glue --   As needed

 
Parameters:

• • Height: Between 3" - 5"

  • Width:  Exactly 3"

  • Span:    11" - 13"

History:

http://www.historyofbridges.com/facts-about-bridges/truss-bridge/