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iRubric: Toothpick Bridge Building rubric

iRubric: Toothpick Bridge Building rubric

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Toothpick Bridge Building 
Toothpick Bridge Building
Bridge must be designed and constructed out of toothpicks and glue only. The bridge must be built to allow passage of a car to pass.
Rubric Code: R248BW5
By jameyer87
Ready to use
Public Rubric
Subject: Science  
Type: Assessment  
Grade Levels: 6-8

Powered by iRubric Score
  Advanced

25 pts

Proficient

20 pts

Basic

15 pts

Below Basic

10 pts

Team Work

Advanced

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

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

Members had to be retaught job responsibilities. Teacher intervention needed to settle difference of opinions.
Below Basic

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.
Material

Advanced

The group used only the materials toothpicks and glue. The group did not waste any material.
Proficient

The group used only the materials toothpicks and glue. The group wasted some material making their bridge.
Basic

The group used only the materials toothpicks and glue. The group wasted a lot of material making their bridge.
Below Basic

The group used materials other than toothpicks and glue.
Dimensions

Advanced

Bridge is 12-15 inches long, under 2.5 inches wide, and is 8 inches tall.
Proficient

Bridge is between 12 and 14 inches long and either over 2.5 inches wide, or over 8 inches tall.
Basic

Bridge is under 12 inches long, but over 2.5 inches wide and over 8 inches tall.
Below Basic

Bridge does meet criteria of length, width, & height.
Weight

Advanced

Bridge is able to support at least 1000 grams.
Proficient

Bridge can support between 750 and 1000 grams.
Basic

Bridge can support between 500 and 750 grams.
Below Basic

Bridge can support between 250 and 500 grams.
Appearance

Advanced

Bridge is neat and clean, no extra glue, toothpicks out of place
Proficient

Bridge has many appealing visual qualities, but still has one or two messy areas.
Basic

Bridge has some appealing qualities, but is mostly messy.
Below Basic

Bridge is messy, not clean, with extra glue and/or toothpicks.
Usable

Advanced

A hot wheels car is able to be pushed across the bridge without stopping.
Proficient

A hot wheels car is able to be pushed across the bridge with only one stop.
Basic

A hot wheels car is able to be pushed across the bridge with only two stops.
Below Basic

A hot wheels car is able to be pushed across the bridge with only three stops.
Glue

Advanced

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

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

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

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

Advanced

Cost effectiveness is under $100
Proficient

Cost effectiveness is $100-$150
Basic

Cost effectiveness is $150-$200
Below Basic

Cost effectiveness is over $210



Keywords:
  • toothpick, bridge, build



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