Teacher resources and professional development across the curriculum

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Sub Image2:Macro to Micro Structures
         
 
Workshops
1) Atoms and Molecules2) Macro to Micro Structures 3) Energetics and Dynamics 4) Theory and Practice in Chemical Systems 5) Chemical Design 6) The Chemistry of Life 7) Chemistry and the Environment 8) Chemistry at the Interface
 
From: Laura Witham (lwnjr@yahoo.com)
Date: Wed Aug 18 2004 - 21:41:41 EDT

  • Next message: jann: "Re: [Channel-talkchemistry] first day labs"

    Dear Loretta,

    I would be interested in hearing more about the
    mothball observation--could you describe the set-up?

    Thank you

    Laura Rotondo
    Wellesley High School, MA

    --- Loretta Ekoniak <loretta@zoominternet.net> wrote:

    > Hi everyone
    > I love the glue-ball idea for the first day of chem
    > class. I've also
    > done a similar activity with cornstarch and water
    > demonstrating change
    > from liquid to solid depending on whether you are
    > slowly stirring it or
    > sharply hitting it. Also another good observation
    > first day is
    > mothballs in a tall graduated cylinder with CaCl_2
    > and HCl ...then have the students oserve what
    > happens ...good
    > observation vs inference!
    > I've been watching for postings but havent seen any
    > new ones since the
    > last class in Jan.
    > Loretta E
    >
    >
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