Evaluation Rubric
For ChemLab #15 		ChemLab # 15
Student Name:   Official Grade:  
Instructions: (1) This analytic rubric is used to verify that specific tasks have been performed. (2) If a task has been successfully completed, all points are awarded. (3) No points are awarded if a task is not complete. (4) Awarding partial points is not an option.
CategoryScoring CriteriaPointsStudent
Evaluation		Teacher
Evaluation
Web Site Information
20 points		 The complete URL for the Web site is reported.
(The Uniform Resource Locator begins with "http://")		 5    
The Web site Title is reported.
(The Web site Title is located above the URL on the web browser window − NOT below the URL on the main part of the Web page.)		 5    
The Web site Authority is reported.
(The author and/or publisher of the Web site.)		 5    
Research findings are reported.
(The concentration of NaCl in the blood. This is the number you will use in your calculations.)		 5    
Calculations
20 points		 All calculations use dimensional analysis.
(All units are canceled EXCEPT the units needed.)		 10    
Calculations begin with your research findings.
(This is the number obtained from the Web site)		 5    
The final calculation gives grams of NaCl per 0.1 dm3 of solution.
(Remember, 1 dm3 is equal to 1 liter.) 		5    
Conclusion
50 points		 The conclusion provides a step-by-step procedure of how to prepare 0.1 dm3 of salt water solution that has the same molar concentration of NaCl found in your blood.
(The procedures must be such that anyone could use them to make the correct solution.)		 50    
Presentation
10 points		 Report is neatly printed in ink, with no visible corrections. 10    
Score
Total Points
 100    
Self-evaluation Students are expected to honestly evaluate their own work. If the difference between the student evaluation and the teacher evaluation is more than 10 points, 5 points will be deducted from the teacher's score when the grade is recorded.
Deadline Lab reports are due at the beginning of class the day after lab. Reports will be accepted at the beginning of class the second day after lab for 3/4 credit. No credit will be given after that time.