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iRubric: Tower Drawing/ 3-D rubric

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Tower Drawing/ 3-D Tech 8-Tower Destructive Testing Rubric Student will design and construct a balsa wood tower from the given materials. The tower must follow a series of design criteria listed on the design brief. The object is to build the most efficient tower. That is the weight of the tower divided by the amount of weight it holds. Rubric Code: UX92A27 By Millsad Ready to use Public Rubric Subject: Engineering Type: Project Grade Levels: 9-12

Tower Destructive Testing Rubric
	Excellent 5 pts	Good 4 pts	Satisfactory 3 pts	Needs Improvement 1 pts
3-D Sketches	Excellent 3-D sketches with reasonable details included.	Good 3-D sketches with little detail included.	Satisfactory 3-D sketches that appear to be hastily completed.	Needs Improvement No 3-D sketch.
Rough Sketches	Excellent Two larger, more detailed sketches where the joint design is clearly marked or can be seen. Additional notes clarifying the specific joint types.	Good Two larger, more detailed sketches.	Satisfactory One or two sketches that are not much larger or more detailed than the thumbnail sketches.	Needs Improvement Sketch or sketches are not much larger or more detailed. Appear to be hastily completed.
Balsa Wood Calculations	Excellent Each structural member has been identified with a letter or number, and a specific size in MM labelled. A clear list of structural members with sizes added up to show that there will be enough material to complete the tower. All calculations shown.	Good All structural members have been labeled and most of the computation of the material is shown.	Satisfactory One or more of the following is missing:<BR> Structural members not labelled, calculations not shown, overall number for materials not shown.	Needs Improvement One or more of the following is missing:<BR> Structural members not labelled, calculations not shown, overall number for materials not shown, calculations not correct.
Drawing to scale	Excellent The drawing is drawn to the proper size/scale including the thickness of the wood. Includes specific joint types on drawing.	Good One or more of the following is not accurate: height, width, and depth.<BR> Includes specific joint types on drawing.	Satisfactory Two or more of the following is not accurate: height, width, and depth. Does not include specific joint types.	Needs Improvement The drawing is not drawn to scale or account for the thickness of the wood. Does not include specific joint types.