This lesson will be the introduction for the 8th grade bridge unit. Through the videos and other computer resources the students should have a basic understanding of how bridges work.
The students will be able to identify 4 types of bridges.
The students will be able to list the major materials involved in bridge construction
In the 1940s the Tacoma Narrows bridge, also known as "Galloping Gurdy" collapsed. What kind of bridge was this and why did this happen?
Discovery- Understanding Bridges
PBS- Building Big
West point bridge builder
Show students the Discovery video on understanding bridges. This is broken up into 5 parts. Stop between each section for discussion.
The following day use the PBS design challenge and the west point bridge program
Students will build a bridge out of tooth picks that will hold a minimum of 20 lbs.
Answer Key or Rubric:
Benchmark or Standards:
Standard 5 for technology- Students
will use mathematical analysis, scientific inquiry, and engineering
design, as appropriate, to pose questions, seek answers and develop