WRITING A FORMAL QUALITATIVE LABORATORY REPORT
Rubric Scoring Guide
Introduction: Purpose, experimental result, actual result, Present tense.. 3 points
Purpose, exp and actual values ………………………
2 points
Hypothesis: What is the predicted outcome…………………………… 2 points
No hypothesis…………………………………………….. 0 points
Materials and Equipment: Listed in columns with diagram…..…………1 point
Sometimes, quantitative experiments use a data table and observation section to record
observations. Depending on the experiment, points will be awarded as below.
Procedure and Observations: Detailed descriptions in proper location
opposite the correct step, columns ………………………. 4 points
Some description, paragraph form………………………. 2 points
OR
Data Table: Labeled columns, detailed observations, used a ruler………4 points
Labeled columns, ruler, brief observations………….
2 points
Labeled columns, brief observations, no ruler………………1 point
Error Analysis: An attempt is made to look at the data table and explain data
trend, inconsistencies and errors. If there is error, list possible
sources of error for future reference……………… .
3 points
Possible sources of error are given, data is not analyzed…. 1 point
Conclusion: Intro in past tense, was hypothesis supported? State and explain
chemical principle…………………………..…………..
5 points
Above, but in present tense……………………………… 4 points
Intro, chemical principle………………………………… 3 points
Intro, hypothesis support, no principle…………………. 2 points
Questions (if any): …………………………………………………To be determined
Total Minimum Possible Points…….……. 22 points