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CRITERIA |
LEVEL 1 |
LEVEL 2 |
LEVEL 3 |
LEVEL 4 |
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Knowledge and understanding
-is able to understand and describe the methods used
to determine levels of arsenic in the water, the possible ways that
arsenic could enter the water, the effects of arsenic on human
health, and the methods used to remove arsenic from water
-able to determine mass of chemicals needed to
remove arsenic using stoichiometry
-provides recommendations for best method of arsenic
removal and acceptable levels based on research and calculation of
costs
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limited ability:
-to describe the methods used to determine levels of
arsenic in the water, the ways that arsenic enters the water, the
effects of arsenic on human health, and the methods used to remove
arsenic from water
-to determine mass of chemicals needed to remove
arsenic
-no recommendations made for acceptable levels and
methods of arsenic removal
|
some ability:
-to describe the methods used to determine levels of
arsenic in the water, the ways that arsenic enters the water, the
effects of arsenic on human health, and the methods used to remove
arsenic from water
-to determine mass of chemicals needed to remove
arsenic
-some recommendations made for acceptable levels and
methods of arsenic removal |
considerable understanding demonstrated by:
-description of methods used to determine levels of
arsenic in the water, the ways that arsenic enters the water, the
effects of arsenic on human health, and the methods used to remove
arsenic from water
-ability to determine mass of chemicals needed to
remove arsenic
-recommendations made for acceptable levels and
methods of arsenic removal |
thorough understanding demonstrated by:
-description of methods used to determine levels of
arsenic in the water, the ways that arsenic enters the water, the
effects of arsenic on human health, and the methods used to remove
arsenic from water
-ability to determine mass of chemicals needed to
remove arsenic
-recommendations made for acceptable levels and
methods of arsenic removal |
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Inquiry
-able to design laboratory procedures to remove
arsenic from water
-thoroughly researches all costs associated with
arsenic coagulation
- complete data and accurate calculations included
with procedure recommendations draws conclusion based on research
and experimental evidence
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- procedures poorly designed
- little research into cost of coagulation methods
-little data supplied with inaccurate calculations
-little support for conclusion
|
- procedures of an average design
- some research into cost of coagulation methods
-some data supplied with some accurate calculations
-some support for conclusion
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- procedures well designed
- considerable research into cost of coagulation
methods
-considerable data supplied with accurate
calculations
-considerable support for conclusion shown
|
- procedures of an above average design
- thorough research of all costs involved with
coagulation methods
-a large amount of data supplied with highly
accurate calculations
-conclusion highly supported by data |
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Communication
-flow charts summarize sources of arsenic pollution
-charts used to summarize methods and advantages and
disadvantages of arsenic removal from water
-procedure for removal of arsenic clearly described.
-communicates data, calculations, and information
clearly in tables or charts
- uses appropriate scientific and chemical terms in
report that is well written and organized
-a complete reference list is included and reference
citations are in APA style |
- charts incomplete and show limited organization
-procedures poorly described
- communicates data and calculations with limited
clarity
- scientific terms used with limited accuracy in a
report poorly written with few references
|
- charts partially completed and organized
-moderate description of procedures
- communicates data and calculations with moderate
clarity
- scientific terms used with some accuracy in an
average report with some references
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-charts complete and well-organized
-good description of procedures; -communicates data
and calculations with considerable clarity
- scientific terms used with considerable accuracy
in a well written report with references and follows journal format
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- charts very complete and well organized
-excellent procedural description of procedures
- communicates data with a high degree of clarity
- scientific terms used with high degree of accuracy
in a very well written report with many references
|
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Making Connections
-demonstrates an understanding of the use of arsenic
in a variety of technologies
-understands the technologies associated with
arsenic removal
-able to describe the impact of arsenic on health
and the environment
-understands the advantages and disadvantages of
arsenic removal and lowering acceptable levels |
limited understanding:
- of the use of arsenic in a variety of technologies
and the technologies associated with arsenic removal
-of the impact of arsenic on health and the
environment
- describes few advantages and disadvantages of
arsenic removal and lowering acceptable levels |
some understanding:
- of the use of arsenic in a variety of technologies
and the technologies associated with arsenic removal
-of the impact of arsenic on health and the
environment
- describes some advantages and disadvantages of
arsenic removal and lowering acceptable levels |
considerable understanding:
- of the use of arsenic in a variety of technologies
and the technologies associated with arsenic removal
-of the impact of arsenic on health and the
environment
- describes numerous advantages and disadvantages of
arsenic removal and lowering acceptable levels |
above average understanding:
- of the of the use of arsenic in a variety of
technologies and the technologies associated with arsenic removal
-of the impact of arsenic on health and the
environment
- describes many advantages and disadvantages of
arsenic removal and lowering acceptable levels |
