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    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. 

    Molasses Lava

    Kids, imagine rocks getting hot enough to actually melt and flow like molasses! Let’s find out how viscosity affects the way lava flows and volcanoes grow. When lava is very hot it’s thin and runny, but as it cools down it gets thicker and stickier. Temperature, along with the specific minerals contained in the melted rock, affects the way that volcanoes grow.

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

    All you’ll need to see viscosity-in-action are two cans of molasses, 2 plates, a heatproof bowl and boiling water. First, put one unopened can of molasses in a refrigerator overnight. Open the can the next day and pour the contents onto a plate. Notice how thick the molasses is, and how it piles up to form a heap. When a liquid is thick like this it’s called “viscous”.

    Next, have an adult partner boil water and pour it into the bowl. Put the other unopened can of molasses into the bowl and allow it to warm up for 30 minutes. Now open this can and pour the contents onto the other plate. Notice that the molasses is much runnier and spread quickly into a wide, flat puddle.

    What does this mean for volcano shapes? Conical volcanoes grow from thick, viscous lava, together with ash and rubble, because the lava cools before running far away. Shield volcanoes have long gently sloping sides because they grow from runny lava that can travel a long way before cooling. Dome volcanoes are created from lava so viscous and cooling so quickly that it barely flows at all.

    Here is some chemistry to explain the viscosity. Thick, highly viscous lava has a large amount of silicate (silicon dioxide type, SiO2) minerals. Runny lava has less silicate minerals. Instead, there are more iron and magnesium minerals; the more "ferromagnesian" the content, the less viscous the lava.

    Which type of volcano do you think is responsible for the Hawaiian Islands? (Answer: shield volcanoes).

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    Kathleen Carrado Gregar, PhD, Argonne National Labs 
    [email protected]
    March 2011

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    References:
    “Rock and Fossil Hunter”, a Smithsonian series book by Ben Morgan; DK Publishing, Inc. NY; 2005; page 18, “On the Lava Trail”.
    Also Wikipedia at http://en.wikipedia.org/wiki/Lava