From the Online Professional Development for K-12 Teachers - University of Wisconsin: Rubrics for various subjects at various levels:
Cooperative Learning Rubrics
Research Report Rubrics
Writing Rubrics
Math, Art, Science Rubrics
Oral Presentation Rubrics
Rubrics for Primary Grades
Web Page and ePortfolio Rubrics
Video and Multimedia Project Rubrics
...plus a section on Creating Your Rubrics