iRubric: Mousetrap Car rubric

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Mousetrap Car

The student's mousetrap car construction will be graded in accordance with the catagories below

Rubric Code: C2X8262

By laurelncook

Ready to use

Public Rubric

Subject: Engineering

Type: Project

Grade Levels: 6-8

Car check
	Excellent 10 pts	Good 6 pts	Fair 4 pts	Poor 2 pts	Not Applicable 0 pts
Car Base	Excellent All edges are cut neatly and the base is symetrical.	Good Most edges are cut neatly and the base is symmetrical.	Fair Some edges are cut neatly and the base is somewhat symmetrical.	Poor Few edges are cut neatly and the base is not symetrical.	Not Applicable Last minute, thrown together.
Wheel and axle	Excellent All wheels and axles are balanced and roll with no resistance. Bushings/spacers are used properly.	Good All wheels and axles are somewhat balanced and roll with some resistance. Bushings/spacers used, but not properly.	Fair All wheels and axles are not very well balanced , but roll with some resistance. Bushings/spacers are not used	Poor All wheels and axles are not at all balanced and roll with great resistance. Bushings/spacers not used	Not Applicable Doesn't roll or needs a push.
Neatness of assembly	Excellent All pieces fit together well and everything is aligned properly.	Good Most pieces fit together for the most part, but there is some alignment and/or balance issues.	Fair Some pieces fit together, but things are out of alignment and balance.	Poor Few pieces fit together and it is poorly aligned and unbalanced.	Not Applicable Last minute, thrown together.
Successful mousetrap car	Excellent Mousetrap car travels a straight line at least 30 feet.	Good Mousetrap car travels a straight line at least 25 feet.	Fair Mousetrap car travels a straight line at least 20 feet.	Poor Mousetrap car does not go straight but does reach a 15 foot distance.	Not Applicable Mousetrap car does not move or needs a push start.
Distance	Excellent Mousetrap car travels in a straight line at least 20 feet.	Good Mousetrap car travels a straight line at least 15 feet.	Fair Mousetrap car travels a straight line at least 10 feet.	Poor Mousetrap car travels a straight line at least 5 feet.	Not Applicable Mousetrap car does not move or needs a push start.