iRubric: Balsa Wood Bridge Construction Project rubric

» rubrics » iRubric: Balsa Wood Bridge Construction Project rubric »

edit print share Copy to my rubrics Bookmark test run assess... delete Do more...
Balsa Wood Bridge Construction Project Balsa Wood Bridge Construction Project Students design and build a balsa wood bridge that will hold the most weight and also be the lightest in the class. Rubric Code: U242AWX By ssassetti Ready to use Public Rubric Subject: (General) Type: Project Grade Levels: 9-12

Bridge project
	Excellent 4 pts	Good 3 pts	Average 2 pts	Fair 1 pts
Sketch 8 pts Students need to draw one sketch	Excellent Sketch was complete and neat.	Good Sketch was missing parts.	Average Sketch was missing parts and was sloppy.	Fair No sketch completed.
Truss bridge 8 pts Make a symmetrical truss bridge	Excellent Bridge is symmetrical.	Good Bridge is somewhat symmetrical.	Average Bridge is not very symmetrical.	Fair Bridge is poor and not symmetrical at all.
Design of bridge 8 pts Final build of bridge	Excellent Design matched original sketch, angles were cut neatly and glue was not overly used. The maximum allowable superstructure: _____ height is 20 cm, _____width 5 – 10 cm, _____length within 40 – 50 cm ______ weight of the bridge less than 110.0 grams	Good Design was close to original sketch, most angles were cut neatly, and glue was used properly. The maximum allowable superstructure: _____ height is 20 cm, _____width 5 – 10 cm, _____length within 40 – 50 cm ______ weight of the bridge less than 110.0 grams	Average Design did not match the original sketch, bridge was sloppily built, and glue was everywhere. The maximum allowable superstructure: _____ height is 20 cm, _____width 5 – 10 cm, _____length within 40 – 50 cm ______ weight of the bridge less than 110.0 grams	Fair Design was never completed. The maximum allowable superstructure: _____ height is 20 cm, _____width 5 – 10 cm, _____length within 40 – 50 cm ______ weight of the bridge less than 110.0 grams
Strength to weight ratio 8 pts Divide weight held by weight of bridge.	Excellent Strength to weight ratio was between .80 and 1.0.	Good Strength to weight ratio was between .79 and .51.	Average Strength to weight ratio was between .50 and .25.	Fair Strength to weight ratio is lower than .24.
Final appearance 8 pts How bridge looks overall.	Excellent Bridge appearance is awesome.	Good Bridge looked pretty good.	Average Bridge was basic and functional.	Fair Bridge was poorly built.