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Bridge 
Bridge
Popsicle bridge evaluation
Rubric Code: VXW8BC6
By mmyles
Ready to use
Public Rubric
Subject: Engineering  
Type: Project  
Grade Levels: 9-12

Powered by iRubric Popsicle Bridge Eval
  Poor

1 pts

Fair

2 pts

Good

3 pts

Best

4 pts

Weight

Poor

More than 20 grams overweight
Fair

Less than 20 grams overweight
Good

Matched to maximum weight
Best

Less than maximum weight
Length

Poor

More than 2 inches too long
Fair

More than 1 inch too long but less than 2 inches
Good

Less than 1 inch too long
Best

Equal to code length.
Bridge Deck design

Poor

Incorrect width and gaps in bridge deck. Not solid enougn for car to cross
Fair

Either width is correct but gaps or width incorrect and no gaps. Car may or may not make it across
Good

Solid deck and car crosses ok. Width within specifications
Best

Specifications met. Deck is soid with no gaps. car crosses ok and aesthetically voted best
Support test

Poor

Bridge supports less than 50 lbs
Fair

Supports less than 100 lbs but more than 50
Good

Supports Less than 160 lbs but more than 100
Best

Bridge supports 160 pounds or more
Truss design

Poor

Sticks are not sandwiched or in triangular shapes. Height may or may not be within specs.
Fair

Some sticks are triangular or sandwiched. Height may be within specs
Good

Most sticks are triangular and sandwiched. Height is within specs.
Best

Triangular trusses and sticks are sandwiched and/or multiple designs add strength(i.e. drilled)




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