Chemical Detective - A “Who dun it” Performance Assessment for Chemistry

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2.55 MB   |   16 pages

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A “Who dun it” Performance Assessment for Chemistry & Other Chemical Displacement Activities contains four separate activities. Each can be used as a stand-alone task. Alternately, “mixing and matching” the activities is also a viable option.
In order of appearance:
Chemical Detective
This includes: 1) a practice session using displacement reactions to determine contents of solutions and 2) a performance assessment where students provide information for the police to use on suspects in a criminal investigation.
Teacher Notes for this activity follow. A “placemat” is provided for use during the activity. This allows you to quickly determine if something is missing from a station after clean-up. It also will save you from answering “What’s this?” and “Where’s ___?” questions during the activities.
An optional page of “Lab Station Directions” is included as well. This allows students bring only their data tables to the testing station during the performance assessment.

Ion Pre-Lab
This is a worksheet on displacement reactions that includes those chemicals students will be using in the other activities.

Ion Lab
This is the lab for which the Ion Pre-Lab is designed. The protocol is the physical manipulation in a wet lab setting for some of the equations students have manipulated in the Ion Pre-Lab.
Teacher Notes for this both the Ion Pre-Lab and Ion Lab follow this activity. Another “placemat” is provided for use during the Ion Lab for similar rationale as the placemat described above. However, this page is designed to be cut and yield two placemats per printed page.

Ion (Nomenclature) Worksheet
This worksheet is a compendium of possible combinations of various ions. Presented in table format students combine cations (from the top row of the table) with anions (from the first column of the table) in the cells of the table.


Chemical Detective - A “Who dun it” Performance Assessment for Chemistry & Other Chemical Displacement Activities by Dr. Chuck Downing is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Total Pages
16
Answer Key
Included
Teaching Duration
N/A

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Chemical Detective - A “Who dun it”  Performance Assessmen
Chemical Detective - A “Who dun it”  Performance Assessmen
Chemical Detective - A “Who dun it”  Performance Assessmen
Chemical Detective - A “Who dun it”  Performance Assessmen
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