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iRubric: Balsa Tower rubric

iRubric: Balsa Tower rubric

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Balsa Tower 
Balsa Tower
Students build a tower from balsa sticks
Rubric Code: VX9354C
By mmock04
Ready to use
Public Rubric
Subject: Vocational  
Type: Project  
Grade Levels: 6-8

Powered by iRubric Tower Challenge
  Poor

1 pts

Fair

2 pts

Good

3 pts

Excellent

4 pts

Plan

Poor

Plan does not show specifications clearly and is messy.
Fair

Plan is neat but is not drawn to given specifications.
Good

Plan could be neater but is drawn to given specifications.
Excellent

Detailed plan is neat with correct specifications and according to given specifications.
Construction Materials

Poor

Materials were used inappropriately. The design was not completed as drawn.
Fair

Material usage was insufficient to create the intended design. Glue usage was excessive in several places.
Good

All materials were used correctly. Glue use was excessive in several areas.
Excellent

All materials were used correctly. Glue usage is reasonable.
Construction

Poor

Construction appears careless or haphazard. Many details need refinement for a strong or attractive product.
Fair

Construction accurately followed the plans. but 3-4 could have been refined for a more atttractive product.
Good

Construction was careful and accurate for the most part, but 1-2 details could have been refined for a more attractive product.
Excellent

Great care taken in the construction process si that the structure is neat, attractive, and follows plans accurately.
Project Function

Poor

Fatal flaws in function with complete failure under typical stresses.
Fair

Structure functions pretty well, but deteriorates under typical stresses.
Good

Structure functions well, holding up under typical stresses.
Excellent

Structure functions extraordinarily well, holding up under atypical stresses.
Design Based on Engineering Princip

Poor

Fewer than 50% of components are based on engineering principles
Fair

At least 50% of components are based on engineering principles
Good

At least 75% of the components are based on engineering principles
Excellent

All Components based on Sound engineering principles
Efficiency Rating / Weight Held

Poor

Efficiency rating is 110 or less
Fair

Efficiency rating is between 110 and 134
Good

Efficiency rating is between 135 and 149
Excellent

Efficience rating is greater than 150
Aesthetic Quality

Poor

Project has none of the following aesthetic qualities: proportion, symmetry, and balance
Fair

Project has 1 of the following aesthetic qualities: proportion, symmetry, and balance
Good

Project has 2 of the following aesthetic qualities: proportion, symmetry, and balance
Excellent

Project has all of the following aesthetic qualities: proportion, symmetry, and balance
Joinery

Poor

Few or No joints have tight matching fit and smooth surface transition
Fair

Some joints have tight matching fit with smooth surface transition
Good

Most joints have tight matching fir with smooth surface transition
Excellent

All joints have tight matching fit with smooth surface transition
Glue Joints

Poor

Few or No joints are neat, even, and smooth with no visible drips or runs
Fair

Some joints are neat, even, and smooth with no visible drips or runs.
Good

Most joints are neat, even, and smooth, with no visible drips or runs.
Excellent

All joints are neat, even, and smooth with no visible drips or runs.
Teacher Assistance Factor

Poor

The student required significant teacher assistance to complete the project
Fair

The student required some teacher assistance to complete the project
Good

The student worked independently with minimal assistance from the teacher
Excellent

The student worked independently to complete the project





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