Balsa wood Bridges

Foreman (4)

Journeyman (3)

Apprentice (2)

Trainee (1)

Score

Detail

Built to Given Specifications

Bridge was built to given specifications.  Length, span, substructure, and superstructure are exact measurements

Bridge built mostly to specifications.  A one inch or less miscalculation (plus/minus) in final structure

Bridge built partly to specifications.  A 1 to 2 inch miscalculation (plus/minus) in final structure

Bridge not built to specifications.  More than 3 inches were (plus/minus) in final structure

Neatness

Built neatly

and professionally

Bridge built neatly.  There are no laminated areas, and joints are clean and well-fitted

Most of the bridge is built neatly.  There are few (less than 4) laminated areas, and joints are mostly clean and well-fitted

Bridge is built somewhat neatly.  There are 5-8 laminated areas, and joints are somewhat clean.  Joints are not well fitted

Bridge is not built neatly.  More than 8 areas are laminated.  Joints are cut crooked and do not fit right

Labor

Group cohesiveness and

teamwork

Group worked together and each person carried out their role and responsibilities to complete the bridge

Group worked together most of the time.  Fewer than 3 reminders to stay on task needed to be given for the group

Members of the group rarely carried out their assigned roles.  Group needed 3 – 7 reminders to stay on task

Members of the group did not carry out their assigned roles.  Group needed more than 7 reminders to stay on task

Time

Completed  project within given timeline

Project completed in the given amount of time or less. 

Project completed 1 day over the project deadline

Project completed 2 days over the project deadline

Project completed more than 2 days over the project deadline

Materials

All materials given were used and accounted for; Work area clean and neat

All materials were used to complete the bridge and there was no waste.  Work area clean and neat at the end of construction

Most materials were used to complete the bridge and there was some waste.  Work area somewhat clean and neat at the end of construction

Lots of materials (up to 12”) of wood wasted in the bridge construction.  Work area messy.  Students cleaned area after 1 reminder

Lots of materials (over 12”) of wood wasted in the bridge construction.  Work area is messy.  Area still messy after reminder