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iRubric: Bridge Rubric

iRubric: Bridge Rubric

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Bridge Rubric 
Bridging the Gap PBL
PROBLEM: Students will design and construct a model balsawood bridge from their own plans that will hold a maximum load while using as little wood as possible. Time management, neatness, craftsmanship, and creativity will be essential for you to be successful.
Rubric Code: ZX2XX7X
By jasonm13
Ready to use
Public Rubric
Subject: Engineering  
Type: Project  
Grade Levels: 6-8, 9-12

Powered by iRubric Criterion
100 % Balsa Wood Bridges
  Little Evidence

1 pts

Partial Evidence

2 pts

Acheives

3 pts

Exceeds

4 pts

Appearance/Construction

Little Evidence

Not aesthetically pleasing (shapes, patterns, colour, etc.) Work is sloppy throughout.
Design is unattractive and/or plain.
Partial Evidence

Limited aesthetics<BR>
(shapes, patterns, colour, etc.) Design and use of glue is messy at times.
Some visual appeal.
glue use..messy
Acheives

Overall, an attractive bridge (shapes, patterns, colour, etc.) Tidy work most of the time. Visually appealing.
Exceeds

Extremely aesthetic in design (shapes, patterns, colour, etc.) All constuction is clean and attractive. Visually appealing.
Structure

Little Evidence

Bridge with little real creativity in design.<BR>
Did not meet 2 or more of the design criteria. Poor use of materials.
Partial Evidence

Bridge with limited creative design.Did not meet one of the design criteria. Poor use of materials.
Acheives

Bridge designed with good creativity. Met all of the design criteria.
Good use of materials.
Exceeds

Bridge designed with excellent creativity. <BR>
Met all design criteria
Excellent use of materials.
Classroom Productivity

Little Evidence

Student did not use their classtime wisely to complete the unit.
Partial Evidence

Students used their classtime wisely sometimes, but needed reminders to work frequently.
Acheives

Student was mindful of the time they had in class, but needed an occasional reminder to refocus.
Exceeds

Student worked well independently and asked questions when needed. Maximized use of classtime.
Blueprint/Plan

- sketch<BR>
- Scaled Drawing
Little Evidence

Bridge design does not match the design of the blueprint and changes were not explained.
Partial Evidence

Bridge design somewhat matches the design of the blueprint.
If changes were made during building, they were explained a little upon reflection.
Acheives

Bridge blueprint mostly matches the design of the finished product.
If changes were made during building, they were sufficiently explained upon reflection.
Exceeds

Bridge blueprint matches well the design of the finished product.
If changes were made during building, they were thoroughly explained upon reflection.
Efficiency

Little Evidence

Bridge has an efficiency of of under 750.
Partial Evidence

Bridge has an efficiency between 750 - 1000
Acheives

Bridge has an efficiency between 1000 - 1500
Exceeds

Bridge has an efficiency of 1500 or greater



Keywords:
  • bridge, structures, forces, science


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