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CATEGORY
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4
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3
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2
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1
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Function
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Structure functions extraordinarily well, holding up under atypical stresses.
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Structure functions well, holding up under typical stresses.
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Structure functions pretty well, but deteriorates under typical stresses.
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Fatal flaws in function with complete failure under typical stresses.
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Construction -Materials
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Appropriate materials were selected and creatively modified in ways that made them even better.
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Appropriate materials were selected and there was an attempt at creative modification to make them even better.
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Appropriate materials were selected.
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Inappropriate materials were selected and contributed to a product that performed poorly.
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Construction - Care Taken
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Great care taken in construction process so that the structure is neat, attractive and follows plans accurately.
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Construction was careful and accurate for the most part, but 1-2 details could have been refined for a more attractive product.
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Construction accurately followed the plans, but 3-4 details could have been refined for a more attractive product.
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Construction appears careless or haphazard. Many details need refinement for a strong or attractive product.
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Scientific Knowledge
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Explanations by student indicate a clear and accurate understanding of scientific principles underlying the construction and modifications.
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Explanations by student indicate a relatively accurate understanding of scientific principles underlying the construction and modifications.
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Explanations by student indicate relatively accurate understanding of scientific principles underlying the construction and modifications.
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Explanations by student do not illustrate much understanding of scientific principles underlying the construction and modifications.
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Newer model wind vane