CATEGORY

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Claim and Plan

Claim is clear and concise. Plan is neat with clear measurements and labeling for all components.

Claim is mostly clear and slightly vague. Plan is neat with clear measurements and labeling for most components.

Claim is unclear and off topic. Plan provides clear measurements and labeling for most components.

Claim is not present. Plan does not show measurements clearly or is otherwise inadequately labeled.

Materials Analysis

While dam design may have been effective or ineffective, appropriate materials were selected and creatively modified in ways that made them even better.

While dam design may have been effective or ineffective, appropriate materials were selected and there was an attempt at creative modification to make them even better.

While dam design may have been effective or ineffective, appropriate materials were selected.

While dam design may have been effective or ineffective, Inappropriate materials were selected and contributed to a product that performed poorly.

Evidence Suporting Claim and Scientific Knowledge

Explanations by all group members indicate a clear and accurate understanding of scientific principles underlying the construction and modifications.

Explanations by all group members indicate a relatively accurate understanding of scientific principles underlying the construction and modifications.

Explanations by most group members indicate relatively accurate understanding of scientific principles underlying the construction and modifications.

Explanations by several members of the group do not illustrate much understanding of scientific principles underlying the construction and modifications.

Dam Efficacy and Data Collection

Data taken several times in a careful, reliable manner that clearly informs the reader of the efficacy of the dam.

Data taken twice in a careful, reliable manner that clearly informs the reader of the efficacy of the dam.

Data taken once in a careful, reliable manner that clearly informs the reader of the efficacy of the dam.

Data not taken carefully OR not taken in a reliable manner that leaves unclear the efficacy of the dam.

Testing/Conclusion/Modification

A conclusion was supported by the clear evidence of troubleshooting, testing, and refinements based on data or scientific principles.

A conclusion was supported by the clear evidence of troubleshooting, testing and refinements.

A conclusion was supported by the some or little evidence of troubleshooting, testing and refinements.

A conclusion was not supported by any evidence of troubleshooting, testing or refinement.