CATEGORY

A

B

C

D

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.

Function

Structure functions extraordinarily well, holding up under atypical stresses.

Structure functions well, holding up under typical stresses.

Structure functions pretty well, but deteriorates under typical stresses.

Fatal flaws in function with complete failure under typical stresses.

Modification/Testing

Clear evidence of troubleshooting, testing, and refinements based on data or scientific principles.

Clear evidence of troubleshooting, testing and refinements.

Some evidence of troubleshooting, testing and refinements.

Little evidence of troubleshooting, testing or refinement

Experimental Hypothesis

Hypothesized relationship between the variables and the predicted results is clear and reasonable based on what has been studied.

Hypothesized relationship between the variables and the predicted results is reasonable based on general knowledge and observations.

Hypothesized relationship between the variables and the predicted results has been stated, but appears to be based on flawed logic.

No hypothesis has been stated.

Scientific Concepts

Report illustrates an accurate and thorough understanding of scientific concepts underlying the lab.

Report illustrates an accurate understanding of most scientific concepts underlying the lab.

Report illustrates a limited understanding of scientific concepts underlying the lab.

Report illustrates inaccurate understanding of scientific concepts underlying the lab.

Conclusion

Conclusion includes whether the findings supported the hypothesis, possible sources of error, and what was learned from the experiment.

Conclusion includes whether the findings supported the hypothesis and what was learned from the experiment.

Conclusion includes what was learned from the experiment.

No conclusion was included in the report OR shows little effort and reflection.

Background Sources

Several reputable background sources were used and cited correctly. Material is translated into student's own words.

A few reputable background sources are used and cited correctly. Material is translated into student's own words.

A few background sources are used and cited correctly, but some are not reputable sources. Material is translated into student's own words.

Material is directly copied rather than put into students own words and/or background sources are cited incorrectly.