WebQuest
MILK PRESERVATIVES : HEALTHY OR DANGEROUS?
Evaluation
Rubric
| # | 0 - 4 points | 5 - 10 points | 11 - 15 points | 16 - 20 points | Score |
|---|---|---|---|---|---|
| Part I: Preservatives ingredient and maximum concentration | Six or fewer milk products were analyzed; many preservatives ingredient are missing; many errors in the maximum concentration | Six to nine milk products were analyzed; some preservatives ingredient are missing; several errors in the maximum concentration | Eight to nine milk products were analyzed; nearly all preservatives are represented; quantities of each concentration are accurate | More than nine milk products were analyzed; all preservatives represented; quantities of each chemical are accurate | 25 % |
| Part I: Packaging ( process, the material, temperature) | Most packaging materials and temperature are inaccurately written or missing; many errors in the process of packaging | Many packaging materials and temperature inaccurately or missing; some errors in the process of packaging | Most packaging materials and temperature are accurately written with the correct process of packaging | All packaging material and temperature are accurately written with the correct process of packaging | 25 % |
| Part I: Storage & Distribution | Most elements in storage system are not identified; many errors in describing process of distribution to market | Many elements in storage system are not identified; many errors in describing process of distribution to market | Nearly all elements in storage system are identified; the process of distribution to market is mostly correct in classification | All elements in storage system are identified; the process of distribution to market is correctly described and classified | 25 % |
| Part II: Reflection Paper | Essay is 1-2 pages, many grammatical errors, responses are terse and not well-explained | Essay is 2 pages, some grammatical errors; responses are satisfactory but not thorough or comprehensive | Essay is 2-3 pages, few grammatical errors; responses are thoughtful and thorough | Essay is 3 pages, grammatically correct; responses to questions are complete, thoughtful, and comprehensive | 25 % |
Total Score: 100 % |
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