iRubric: Building Strong and Stable Bridges rubric

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Building Strong and Stable Bridges

Team work collaboratively to build a bridge. The bridge must be made out of toothpicks and marshmellows. The bridge must be strong and stable to support the load. It has be able to span across 25 centimeter.

Rubric Code: PX8X396

By lis_424

Ready to use

Public Rubric

Subject: Science

Type: Project

Grade Levels: K-5

Strong and Stable Structures:
	Level 1 12.5 pts	Level 2 16.5 pts	Level 3 20.5 pts	Level 4 25 pts
Appearance	Level 1 Not aesthetically pleasing (shapes, patterns, etc.) Design is messy and/or plain.	Level 2 Limited aesthetics (shapes, patterns, etc.) Some of the construction is clean. Some visual appeal.	Level 3 Overall, an attractive bridge (shapes, patterns, , etc.) Tidy work most of the time. Visually appealing.	Level 4 Extremely aesthetic in design (shapes, patterns, , etc.) All constuction is clean and attractive. Visually appealing.
Structure and Materials	Level 1 Bridge with no real design. Did not use the strongest shape (triangle) to help build a strong and stable bridge. Does not span a gap of 20 centimeters (unstable or incomplete). Did not maximize use of materials.	Level 2 Bridge with limited creative design. Attempted using the strongest shape (triangle) to help build a strong and stable bridge. Spans a gap of 25 centimeters, but remains unstable or incomplete in some way. Limited use of materials.	Level 3 Bridge designed with good creativity. Used the strongest shape (triangle) to help build a strong and stable bridge. Spans a gap of 25 centimeters, is complete and stable. Good use of materials.	Level 4 Bridge designed with excellent creativity. Used the strongest shape (triangle) to help build a strong and stable bridge. Spans a gap of 30+ centimeters is complete and stable. Excellent use of materials.
Teamwork	Level 1 No team work. One or two person ran the show. Team members were distracted from their project. Team members did not listen with respect, argues, and does not consider other ideas. No respect shown	Level 2 Some team work. Often team members were distracted from their project. Sometimes team members did not listen with respect, argues, and does not consider other ideas. Some respect shown	Level 3 Team were working together, but occasionally distracted from their project. Most of the time, team members respectfully listened, discussed and asked questions. Respect was observed most of the time	Level 4 Each person was actively involved in the building process. Team members respectfully listened, discussed, asked questions and helped each other in solving problems. All team members were treated with respect
Planning - Blueprint	Level 1 Bridge design does not match the design of the blueprint and changes were not explained.	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.	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.	Level 4 Bridge blueprint matches the design of the finished product. If any changes were made during building, they were thoroughly explained upon reflection.

Keywords:

bridge, structures, forces, science

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Project

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