Articles

    Outreach and Education Division

    The EDUCATION AND OUTREACH DIVISION supports chemistry education at all levels, including K-12, college, and adult/continuing education. It maintains liaisons to the Chicago Public Schools and the American Association of Chemistry Teachers (AACT). The Division engages the general public in chemistry-related educational activities, participates in ACS activities at the annual Illinois State Fair, and publicizes all events and news-related content. The division oversees the annual Project SEED program for the Section as well as the Project SEED scholarships. The Division also assists public officials and other community bodies concerning chemistry-related matters. The Education and Outreach Division includes the Education, Outreach, Project SEED, and Public Affairs Committees.

    The EDUCATION COMMITTEE provides chemistry-related educational programs and information to learners of all ages and actively engages with educators at the pre-K-12 and college levels. Subcommittees include:

    • AACT Liaison
    • College Education Subcommittee
    • Continuing Education Subcommittee
    • Chicago School Board Liaison
    • K - 12 Education Subcommittee

     

    The PUBLIC AFFAIRS COMMITTEE ensures that section members and public officials and bodies are informed of matters where the knowledge and practice of chemistry is of substantial public importance. These matters can include government issues, environmental issues and the social responsibility of chemists. The Public Affairs Committee gives the Public Affairs Award biennially.

    The OUTREACH COMMITTEE engages the general public, educators and children in chemistry-related educational activities and participates in many different types of events around the greater Chicago area.   Subcommittees include:

    • Community Activities Subcommittee
    • Illinois State Fair Subcommittee

     

    PROJECT SEED COMMITTEE identifies interested low-income and/or minority high school junior and senior students who are interested in participating in a paid summer research experience with  a college or university faculty member.  It supports financial and logistical concerns for the student/ faculty relationships and communicating  relevant program information to the national ACS organization.  The committee is also responsible for distributing Project SEED awards to support the internships. 

    A Silver Tarnish Dip

    Kids,  how would you like to make your own silver polishing dip?  Ask your adult partner if they happen to have some older silverware, trays, servingware, jewelry etc. around the house. Is it nice and shiny or is it dull and dark? As silver (element Ag) is exposed to the small amounts of hydrogen sulfide (H2S) in the air it will “tarnish”. This layer of tarnish is silver sulfide (Ag2S) that can be removed without polishing and scrubbing by simply dipping into a non-toxic electrochemical dip. Another big advantage to using a dip is that the liquid can reach places a polishing cloth cannot.

    Please note:  All chemicals and experiments can entail an element of risk, and no experiments should be performed without proper adult supervision.

    First, line the bottom of the sink or a glass baking dish with a sheet of aluminum foil. Then have your adult partner fill the foil-lined container with steaming hot water. Add salt (sodium chloride, NaCl) and baking soda (sodium bicarbonate, Na2CO3) to the water. Some recipes call for 2 tsp baking soda and 1 tsp salt, whereas others call for 2 tablespoons each of baking soda and salt. Obviously the exact amounts do not matter, so just add a bit of each. Drop the silver items into the container so that they are touching each other and resting on the foil. You should actually be able to watch the tarnish disappear!

    Leave heavily tarnished items in the solution for as long as 5 minutes. Otherwise, remove the silver when it appears clean. Rinse the silver with water and gently buff it dry with a soft towel. Ideally, the silver should be stored in a low-humidity environment. Placing a container of activated charcoal or a piece of chalk in the storage area (to soak up moisture) can minimize future tarnish. Also, wrapping the silver items to protect from air seems to help.

    Silver Tips:

    1. Use care when polishing or dipping silver plated items. It is easy to wear away the thin layer of silver and cause more harm than good through overcleaning.

    2. Minimize exposing your silver to foods and other items that contain sulfur such as mayonnaise, eggs, mustard, onions, latex, and wool because the sulfur will cause corrosion.

    3. Using your silver flatware or wearing silver jewelry will actually help to keep them free from tarnish. 

    --------------
    Kathleen Carrado Gregar, PhD, Argonne National Labs ; [email protected]
    September 2006
    ----------------
    Reference: Anne Marie Helmenstine at http://chemistry.about.com/cs/howtos/ht/silverdip.htm
    ***********

    ADDENDUM (11/18/2018): The good folks at Tips Bulletin have noticed this article, and alerted us to some additional means of cleaning silver using household materials. Check them out here:
    https://www.tipsbulletin.com/homemade-silver-cleaner/

    If you try different methods and compare them, let us know which you like best and why! Email [email protected].