iRubric: Force diagram rubric

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Force diagram Force diagram Analyze forces acting on an object. Rubric Code: QX657C8 By elgatz Ready to use Public Rubric Subject: Science Type: Exam Grade Levels: 9-12

Force Diagram Label and annotate force diagram.
	Good 4 pts	Fair 2 pts	Bad 0 pts
Arrow number	Good Student drew 4 arrows on diagram.	Fair Students drew 3 or 2 arrow(s) on diagram.	Bad Student drew one or no arrow(s)
Arrow length	Good Every arrow length is proportional to the magnitude of the force it represents.	Fair One or more mistakes in relative arrow length.	Bad Arrow length is random or all the same.
Arrow direction	Good Every arrow points in the same direction as the force it represents.	Fair One or more mistakes in arrow direction.	Bad Arrow direction is random or all the same.
Arrow annotation	Good Every arrow annotated with a label specifically naming the force.	Fair One or more element(s) missing from arrow annotation.	Bad Many or all elements missing from arrow annotation.