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iRubric: Trebuchet Toss rubric

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Trebuchet Toss Students design, build, and test a model trebuchet. Rubric Code: N7W425 By lhasapis Draft Public Rubric Subject: Engineering Type: Project Grade Levels: 9-12

Trebuchet Toss
	Unsatisfactory 0 pts	Fair 1 pts	Good 2 pts	Excellent 3 pts
Planning Stage	Unsatisfactory Student did not complete any drawings.	Fair Parts of the required drawing are missing and the material list is missing.	Good Student completed the required drawings but the views were not correct. The materials needed to construct the trebuchet were listed.	Excellent Student completed drawings of their own design or completed drawings of the demonstration model. Materials to build the trebuchet were listed.
Construction Phase	Unsatisfactory Student did not attempt to build a working trebuchet.	Fair Student did not finish the trebuchet. Construction was started but the model was not ready for testing or did not work properly. The quality of construction was fair.	Good Student completed a working trebuchet that was identical to the instructors model. The quality of construction was good.	Excellent Student completed a working trebuchet that was different from the demonstration model or the same as the demonstration model. The quality of construction was excellent.
Testing Phase	Unsatisfactory Student did not test the trebuchet and did not complete the test results chart.	Fair Student tested their trebuchet but did not complete the test result chart. Most of the information required in the testing phase is missing.	Good Student tested their trebuchet but did not complete the testing results chart. Some of the required information is missing.	Excellent Student completed 3 tests and measured projectile distance and distance landed from the target. Student completed the average of the 3 tests. Test results chart was complete.
Evaluation Phase	Unsatisfactory Student did not answer any of the questions or less than 4 questions in the evaluation phase	Fair Student answered 4-6 of the questions in the evaluation phase.	Good Student answered 7-9 of the questions in the evaluaton phase.	Excellent Student completly answered all 10 of the questions in the evaluation phase.