Oxygen in Potassium Chlorate

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Name___________
Group____________
Grading Rubric for Oxygen in Potassium Chlorate
0
Title (1x)
Purpose
(0.5 x)
Safety (1x)
(weighting lab
dependent)
(1x) 3
Data and
Observations
Missing
Not clearly stated or
not in sentence form.
Clearly stated in
sentence form.
Missing
Incomplete or
paraphrased
Stated verbatim from
specific safety
instructions.
Missing
Included
Missing
Materials included in
list form.
Missing or copying of Major omissions or
laboratory instructions errors. Inability to
verbatim.
follow the procedure.
Steps are not
numbered.
Missing
(weighting lab
dependent)
(1x) 3
Graphs (each)
Missing or not
applicable
Sample
Calculations
(each) (1x)
9
Error
Analysis #3
(1x) 3
Questions
Missing or not
applicable
(each)
(0.5x)
4.5
Conclusions
(1X) 3
2
Included
(**only if “extreme
caution” required)
Hypothesis
(1x)
Materials
(1X)
Procedure
1
Missing
Missing or not
applicable
Some data missing or
obviously incorrect.
Significant figures
and/or units may or
may not be used
correctly. Either
qualitative or
quantitative data table
missing.
Incorrectly drawn,
axes may or may not
be correctly drawn
Calculation and/or
formula shown is
incorrect or has no
relation to your data.
Data complete, but
significant figures
and/or units are not
used correctly. Both
qualitative and
quantitative data table
provided.
Correctly drawn, but
axes not clearly
labeled or missing
title.
Units and/or
significant figures not
correct, or labels
missing.
Clearly and completely
described in complete
sentences. Each step
is numbered and
reflects what student
did.
All data complete,
with the correct use of
significant figures and
units. Both qualitative
and quantitative data
table provided.
Correctly drawn,
includes title and
clearly labeled axes.
Clearly labeled with
formula and example
shown. Units and
significant figures are
correct.
No calculations or
Calculations missing
Well thought out,
values, or more than
but values given, or one written in paragraph
one major source of
major source of error
form. Calculations
error not accounted for. not accounted for.
shown.
Answers incorrect or No work shown and/or
missing.
incorrect value given,
with major errors.
Missing
Some ambiguity or
minor omissions, but
procedure can still be
followed. Each step
is numbered.
3
Work not shown, but
correct value given, or
minor calculation error.
Answers correct, but
not in sentences.
Not well thought out, or Well thought out,
not in paragraph form. written in paragraph
form. Only one
paragraph.
Completely answered
in sentences. All work
shown for
calculations.
Well thought out,
written in paragraph
form. Multiple
paragraphs that clearly
summarize the lab
experience.
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