1. Elkin High School Career and Technical Education
Bridge Models Objective 7.07 Explain the characteristics of structural systems.
Elkin High School
Career and Technical Education

2. Types of Trusses

5. Guidelines for Joining Wood

6. You will be required to analyze your bridge and discuss which type of stress caused it’s demise!

7. Engineering Efficiency

8. Evaluation

9. Rubric Criteria Points Earned Meets specifications 20 Possible Points
Neatly constructed
1st Place = 20 Points
2nd Place = 18 Points
3rd Place = 16 Points
4th Place = 14 Points
5th Place = 13 Points
6th Place = 12 Points
Bridge weight = _______ g

10. Rubric (Continued) Mass Supported by bridge for 30 seconds = ______kg
1st Place = 20 Points
2nd Place = 18 Points
3rd Place = 16 Points
4th Place = 14 Points
5th Place = 13 Points
6th Place = 12 Points
Efficiency rating = ______
TOTAL POINTS EARNED:

11. Supplies Wood Glue Graph Paper Box Cutter (Remember Safety!)
Cutting Surface (Cut on only approved surfaces!)
Wax Paper
Straight Pins

13. Questions???
Comments!!!