iRubric: Popsicle Stick Bridge Building rubric

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Popsicle Stick Bridge Building

Suspension, Truss, Arch or beam bridge to be made out of popsicle sticks and hot glue. Span must be 14 inches. The bridge must be able withstand a maximum of 20 lbs of weight without failing or sagging more than 5 centimetres. Each group can use up to 200 standard popsicle sticks for the construction of their bridge.

Rubric Code: HXB75WW

By richmonda3

Ready to use

Public Rubric

Subject: Science

Type: Project

Grade Levels: 9-12

Forces Acting on Structures:
	Level 1 (N/A)	Level 2 (N/A)	Level 3 (N/A)	Level 4 (N/A)
Appearance	Level 1 Struggled with (shapes, patterns, color, etc.) Work is sloppy throughout. Design is unattractive and/or plain. 0 pts	Level 2 Limited (shapes, patterns, colour, etc.) Design and use of glue is messy at times. Some visual appeal. glue use..messy 5 pts	Level 3 Overall, an attractive bridge (shapes, patterns, colour, etc.) Tidy work most of the time. Visually appealing. 10pts	Level 4 Extremely aesthetic in design (shapes, patterns, colour, etc.) All constuction is clean and attractive. Visually appealing. 15 pts
Structure	Level 1 Basic beam bridge (no real design). Does not span a gap of 14 inches (unstable or incomplete). Does not meets the dimension requirements in the rule book. Did not maximize use of materials. 0 pts	Level 2 Beam or arch bridge with limited creative design. Spans a gap of 14 inches, but remains unstable or incomplete in some way. Meets the dimension requirements in the rule book. Limited use of materials. 10 pts	Level 3 Beam or arch bridge designed with good creativity. Spans a gap of 14 inches , is complete and stable. Meets the dimension requirements in the rule book.Good use of materials. 20 pts	Level 4 Suspension, Truss or Arch bridge designed with excellent creativity. Spans a gap of 14 inches is complete and stable. Meets the dimension requirements in the rule book. Excellent use of materials. 30 pts
Weight Held	Level 1 Failed at 5 pounds or lower. 0 pts	Level 2 Failed between 5 and 10 pounds of weight. 5 pts	Level 3 Failed between 10 and 20 pounds of weight. 10 pts	Level 4 Did not fail with 20 pounds of weight. 15 pts
Blueprint	Level 1 Bridge design does not match the design of the blueprint and changes were not explained. 0 pts	Level 2 Bridge design somewhat matches the design of the blueprint. If any changes were made during building, they were explained a little upon reflection. 10 pts	Level 3 Bridge blueprint mostly matches the design of the finished product. If any changes were made during building, they were sufficiently explained upon reflection. 15 pts	Level 4 Bridge blueprint matches the design of the finished product. If any changes were made during building, they were thoroughly explained upon reflection. 20 pts