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0 - 4 points
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5 - 10 points
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11 - 15 points
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16 - 20 points
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Score
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Part I: Active and Inert Chemical Components
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Six or fewer
household products were analyzed; many active and inert chemical
components are missing; many errors in the quantities of each
chemical
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Six to nine
household products were analyzed; some active and inert chemical
components are missing; several errors in the quantities of each
chemical
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Eight to nine household products were analyzed;
nearly all active and inert chemical components are represented;
quantities of each chemical are accurate
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Nine household products were analyzed; all
active and inert chemical components are represented; quantities of
each chemical are accurate
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Part I: Chemical Formulas
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Most chemical
formulas are accurately written or missing; many errors in the
elements present and/or the subscripts
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Many
chemical formulas are inaccurate or missing; many written with the
correct the wrong elements and/or subscripts
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Most chemical formulas are accurately written
with the correct elements and subscripts
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All chemical formulas are accurately written
with the correct elements and subscripts
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Part I: Elements and Atoms
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Most elements in each chemical formula are not identified;
many errors in calculating and/or classifying the number of atoms in
each compound (ionic/molecular)
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Many elements in each chemical formula are not identified;
many errors in calculating the number of atoms and/or classifying
each compound (ionic/molecular)
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Nearly all
elements in each
chemical formula are identified; the number of atoms in each
compound is mostly correct in calculation and classification
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All elements in each chemical formula are
identified; the number of atoms in each compound is correctly
calculated and classified (ionic/molecular)
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Part I: Presentation of Data and Sources
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Final product
(table, paper, etc.) is unorganized; few sources are cited;
necessary data is often missing or inadequate for chosen
chemicals
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Final product
(table, paper, etc.) is satisfactory in construction, somewhat
organized; some sources are cited; some data is missing or
inadequate for chemicals
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Final product
(table, paper, etc.) is well formulated, mostly organized; sources
are cited; most of the necessary data are included for chosen
chemicals
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Final product (table, paper, etc.) is
esthetically pleasing, well organized; all sources are cited; all
necessary data are included for all chemicals
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Part II: Reflection Paper
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Essay is 1-2 pages, many grammatical errors,
responses are terse and not well-explained
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Essay is 2 pages, some grammatical errors;
responses are satisfactory but not thorough or comprehensive
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Essay is 2-3 pages, few grammatical errors;
responses are thoughtful and thorough
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Essay is 3 pages, grammatically correct;
responses to questions are complete, thoughtful, and comprehensive
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