CATEGORY

4

3

2

1

Scientific Knowledge

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

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

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

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

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.

Plan

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

Plan is neat with clear measurements and labeling for most components.

Plan provides clear measurements and labeling for most components.

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