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BRIDGE UNIT

Page history last edited by Bradley Grant 1 year, 9 months ago

BRIDGE UNIT

 

Guiding questions for classroom discussion:

  • What do you know about bridges?

  • Why do we need bridges?

  • What defines a structure as a bridge?

  • What characteristics do bridges have?

  • Where might bridges be found or used?

  • What types of bridges are there?

 

 

 

 

various types of bridges

link: http://www.historyofbridges.com/facts-about-bridges/types-of-bridges/

  • Arch bridge

  • Beam bridge

  • Truss bridge

  • Cantilever bridge

  • Tiered-arch bridge

  • Suspension bridge

  • Cable-stayed bridge

  • Pedestrian bridge

  •  

How do bridges work?

 

link: https://howbridgeswork.weebly.com/types-of-bridges.html 


 

CHALLENGE:

Students will construct a model of the designed bridge.

Model bridges must meet these requirements:

  • Minimum of 10 pounds supported when tested

  • Minimum length of 12 inches

  • Maximum amount of 8 ounces of liquid glue

  • Maximum amount of one of the following:

    • 200 popsicle sticks (standard size)

    • 500 toothpicks

    • 300 cotton swabs

 

 

 

 

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