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CATEGORY

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Construction - Care Taken

Great care taken in construction process so that the structure is neat, attractive and follows plans accurately.

Constuction was careful and accurate for the most part, but 1-2 details could have been refined for a more attractive product.

Construction accurately followed the plans, but 3-4 details could have been refined for a more attractive product.

Construction appears careless or haphazard. Many details need refinement for a strong or attractive product.

Function

Instrument functions extraordinarily well, producing at least 3 frequencies and multiple amplitudes.

Instruments functions well, and can produce sounds of at least 2 frequencies and various amplitudes.

Instruments functions pretty well, but has limited frequency or amplitude capabilities.

Fatal flaws in function with complete failure to produce different amplitude and frequency.

Scientific Knowledge

Explanations indicate a clear and accurate understanding of scientific principles underlying the construction and modifications.

Explanations indicate a relatively accurate understanding of scientific principles underlying the construction and modifications.

Explanations indicate relatively accurate understanding of scientific principles underlying the construction and modifications.

Explanations do not illustrate much understanding of scientific principles underlying the construction and modifications.

Construction -Materials

Appropriate materials were selected and creatively modified in ways that made them even better.

Appropriate materials were selected and there was an attempt at creative modification to make them even better.

Appropriate materials were selected.

Inappropriate materials were selected and contributed to a product that performed poorly.