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Plan is neat with clear labeling for all components.
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Plan is neat with clear labeling for most components.
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Plan provides clear labeling for most components.
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Plan does not show measurements clearly or is otherwise inadequately labeled.
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Clear evidence of troubleshooting, testing, and refinements based on data or scientific principles.
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Clear evidence of troubleshooting, testing and refinements.
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Some evidence of troubleshooting, testing and refinements.
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Little evidence of troubleshooting, testing or refinement.
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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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Class time was used effectively. Little to no time spent off task.
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Class time was mostly used effective. Little time was spent off task.
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Class time was not used as effectively as possible. Lots of time spent off task.
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Class time was not used effectively at all. Most time was spent off task.
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Egg was in perfect condition
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Egg was cracked or chipped. Not quite broken.
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Egg did not survive.
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