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iRubric: Balsa Wood Bridges rubric
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Balsa Wood Bridges
Bridge Building
All bridges must be made out of popsicle sticks, glue, tape, straws, and/or paper. The bridge must span distance of 30 centimetres.
Rubric Code:
P2264X5
By
dstiglitz
Ready to use
Public Rubric
Subject:
Engineering
Type:
Project
Grade Levels:
(none)
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Strong and Stable Structure:
Level 1
10 pts
Level 2
15 pts
Level 3
20 pts
Level 4
25 pts
Appearance
Level 1
Not aesthetically pleasing (shapes, patterns, colour, etc.)
Work is sloppy throughout.
Design is unattractive and/or plain.
Level 2
Limited aesthetics
(shapes, patterns, colour, etc.)
Design and use of glue is messy at times.
Some visual appeal.
glue use..messy
Level 3
Overall, an attractive bridge (shapes, patterns, colour, etc.)
Tidy work most of the time.
Visually appealing.
Level 4
Extremely aesthetic in design (shapes, patterns, colour, etc.)
All constuction is clean and attractive.
Visually appealing.
Structure
Level 1
Bridge with limited design.
Does not span a gap of 30 centimetres (unstable or incomplete).
Did not maximize use of materials.
Level 2
Bridge with some creative design.
Spans a gap of 30 centimetres, but remains unstable or incomplete in some way.
Limited use of materials.
Level 3
Bridge designed with good creativity.
Spans a gap of 30 centimeters, is complete and stable.
Good use of materials.
Level 4
Bridge designed with excellent creativity.
Spans a gap of 30+ centimeters is complete and stable.
Excellent use of materials.
Weight
Level 1
Bridge broke before weight was added
Level 2
Bridge held 2 ponds before breaking
Level 3
Bridge held up to 6 pounds before breaking
Level 4
Bridge was able to hold more than 10 pounds before breaking
Truss Design
Level 1
No specific truss design present
Level 2
Bridge resembles a style of truss, but not throughout the design
Level 3
There is a clear resemblance to a truss bridge design, mostly followed
Level 4
The bridge is a replica of a truss design throughout the whole bridge
Bridge Design Explanation
Level 1
No explanation for design choice
Level 2
Design choice made, but no reason for why you chose this style
Level 3
Design choice made and simple description
Level 4
Design choice made and clear reasoning as to why this style bridge was chosen for the project.
Reflection
Level 1
No reflection
Level 2
Talks about the bridge but not descriptive
Level 3
Talks about the bridge design and the process.
Level 4
Reflection talks about the positives and negatives of the bridge and design process in detail.
Keywords:
bridge, structures, forces, science
Subjects:
Engineering
Science
(General)
Types:
Project
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