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iRubric: Toothpick Bridges rubric

iRubric: Toothpick Bridges rubric

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Toothpick Bridges 
Toothpick Bridges
Bridge must be designed and constructed out of toothpicks and glue. The bridge must be prepared according to directions. The bridge must be built to withstand weight.
Rubric Code: V24X843
By Sdunn411
Ready to use
Public Rubric
Subject: Physics  
Type: Project  
Grade Levels: 6-8

Powered by iRubric Score
  5 points

5 pts

4 points

4 pts

3 points

3 pts

2 points

2 pts

Team Work

5 points

Each member had a clear understanding of his/her job and performed duties well.
Members were able to compromise when different opinions were held.
4 points

Each member had a clear understanding. Had to be redirected when off task..occurred more than once but less than four times.
3 points

Members had to be retaught job responsibilities. Teacher intervention needed to settle difference of opinions.
2 points

Frequent absences by members caused disruption of work. Intervention was needed when there was a difference of opinion.
Members had to be continually redirected to task.
Blueprint

5 points

Bridge blueprint matches the design of the finished product and meets all of the guidelines of the bridge.
4 points

Bridge blueprint mostly matches the design of the finished product and somewhat meets the guidelines of the bridge.
3 points

Bridge design somewhat matches the design of the blueprint and meets limited guidelines of the bridge.
2 points

Bridge design does not match the design of the blueprint. Was not a bridge.
Specification

5 points

Bridge met all the required specs:
cardboard = 15cm by 35 cm
River 15 cm wide
5 cm square on each end of cardboard-2.5 cm from edge
4 cm cut square in center
min 5cm high
min 4 cm wide
4 points

Missing 1-2 required specs
3 points

Missing 3-4 required specs
2 points

Bridge not at all within required specs.
Structure

5 points

Perfectly square. Bridge was prepared according to instructions. Well designed and built
4 points

80%-90% square.
Leaning, wobbly
3 points

70%-80% square.
Sections not holding together
2 points

Not staying together.
Glue

5 points

Exact amount of glue was used leaving little to no glue ring.
4 points

Small amount of glue was, left a glue ring that did not exceed the size of a dime.
3 points

Large amount of glue was used. Glued joint left glue ring the size of a dime to nickel.
2 points

Excessive amount of glue used. Glued joints left glue ring the size of a nickel or bigger.
Weight

5 points

Carried >15Lbs of Weight
4 points

Carried 10-15Lbs of weight
3 points

Carried 5-10Lbs of weight
2 points

Carried <5lbs of weight.
Clean stations

5 points

Station always cleaned properly and to expectations.
Assisted other teams in clean up. Cleaned up various items throughout the room.
4 points

Consistent clean up of own station. Responsible for own items return and sotrage
3 points

Somewhat consistent with clean up of station and return of items.
2 points

Consistently messing work station. Did not meet criteria for clean up. Items consistently left out, consistent prompting to clean areas up. Would not claim responsibility for station area messes.
Staying on Task

5 points

Worked diligently and always on task. Went above and beyond to accomplish bridge building
4 points

Experienced a few challenges staying on task but worked to use time efficiently
3 points

Needed some reminders to stay on task. Did not manage time efficiently.
2 points

Consistently off task. When provided reminders, still returned to being off task during class time. Did not use time efficiently.
Architecture

5 points

Constructed and built well. Appears to be built well and fit together well. Good design with excellent follow through on build
4 points
3 points
2 points

Poor design, did not take feedback or make adjustments as recommended. Made unapproved adjustments.



Keywords:
  • bridge, structures, forces, science


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