Chemistry
Copper Cycle Lab Rubric
Lab: Copper Cycle
Content
(85%)
Title
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Background
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Purpose
Materials
Procedure
Data
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Analysis
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Connections to
purpose
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Sources of error
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Larger context
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Name _______________________________
Date ________________
Expectations
Centered, bold, focuses on copper and conservation of mass
Paragraph clearly explains what we have been learning in class
BEFORE the lab
Paragraph includes the following words: element, density, intensive
properties, extensive properties, compound, volume, matter,
qualitative observations
One sentence that does not start with, “To . . . “
Focuses on conservation of mass and copper
Bulleted list that includes all materials used by experimenter
Numbered list, written in command form
Steps are based on procedure followed by EXPERIMENTER
Table with ALL steps (column 1) and ALL observations (column 2)
Final entry in data table includes mass of watch glass, mass of watch
glass + copper, and mass of copper
CLAIM states whether or not copper was conserved in this
experiment
o E M A B
EVIDENCE includes
 An explanation in words of chemical reaction 1
AND the chemical equation for this reaction
 An explanation in words of chemical reaction 2
AND the chemical equation for this reaction
 An explanation in words of chemical reaction 3
AND the chemical equation for this reaction
 An explanation in words of chemical reaction 4
AND the chemical equation for this reaction
 An explanation in words of chemical reaction 5
AND the chemical equation for this reaction
o E M A B
REASONING summarizes how the copper weighed at the end of the
experiment verifies that mass is conserved following the five
chemical reactions
o E M A B
Copies purpose from first page
States whether purpose was correct or incorrect
Explains why purpose was or was not correct in 2 – 4 sentence
summary of data
Includes percent error calculation
Discusses TWO reasons why the mass of copper at the end of the
experiment may not match the starting mass of copper
3 – 5 sentences
Explains why conservation of mass is important in society
E
M
A
B
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2
1
0
8
7
6
5
8
7
6
5
8
7
6
5
8
7
6
5
8
7
6
5
19
17
16
14
8
7
6
5
8
7
6
5
8
7
6
5
Organization
Expectations
(10%)
Format
Heading
Document features
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All sections of the lab report are present and in order
The name, date, and class are in the top right corner
Document has 1 inch margins and is double-spaced
Font is Times New Roman size 12
All pages are numbered at the bottom of the page
All subsection headings are underlined
Style
(5%)
Use of scientific
formatting
Expectations
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Student uses subscripts and superscripts when appropriate.
Written chemical names are not capitalized unless they start a
sentence
Graphs and tables are appropriately formatted
Any drawings of equipment or molecules are correct
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Conventions
Grammar, Spelling, Etc.
Expectations

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Punctuality
Turned in on time
TOTAL SCORE
M
A
B
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4
2
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2
1
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4
3
2
E
M
A
B
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5
4
3
Deductions
An average of 0-2 errors per page = No points lost.
An average of 3-5 errors per page = 10 points lost.
An average of over 5 errors per page = 25 points lost. You will have two
days to revise this to earn 5 points back. If you do not revise, you will
receive a 0.
Expectations

E
Deductions
Late papers lose 10 pts per day late. Turned in ______ days late.
_____ / 100
Grading scale
E
M
A
B
Exceeds
expectations
Meets
expectations
Approaching
expectations
Below
expectations
Comments:
Detailed writing, insightful analysis, flawless grammar, extends scientific concepts, no omissions;
approaches college level work
Includes all required information, demonstrates understanding of scientific concepts, meets all required
grammatical conventions;
appropriate for high school level work
Minor omissions of information, misunderstandings of scientific concepts, and/or errors in grammar;
working toward CCSC standards for high school level work
Major errors in scientific concept or grammar, or missing major information;
below CCSC standards for high school level work