4

The student uses important, as well as some less obvious, characteristics to compare the items. The student accurately identifies the similarities and differences and explains his conclusions in a way that shows a complete and detailed understanding of the items.

4

The student uses important features to compare the items. The student also uses some features that are not easily seen. The student identifies similarities and differences without making mistakes. The student tells what she learned in a way that shows a complete understanding of the items.

3

The student uses important characteristics to compare the items. The student accurately identifies the similarities and differences and explains his conclusions.

3

The student uses important features to compare the items. The student identifies similarities and differences without making mistakes. The student tells what she learned.

2

The student uses characteristics to compare the items, but not the most important characteristics. The student's comparison and conclusions show some misconceptions about the items.

2

The student uses features to compare the items, but the student does not use the most important features. The student makes some mistakes in the comparison.

1

The student uses insignificant characteristics to compare the items. The student's comparison and conclusions show many misconceptions that indicate the student does not understand the items.

1

The student uses features that are not important to compare the items. The student makes some big mistakes in the comparison.

0

Not enough information to make a judgment.

0

The student does not try to do the task.