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Lesson Plans


hydrocal


From: Kathleen McCrea (botticelli1943)
Date: Thu Aug 03 2000 - 14:11:45 PDT

  • Next message: PHimmelber: "Re: hydrocal"

    Recently someone posted information about making waste
    molds using burlap, plaster, etc. The directions
    mentioned using hydrocal. What is hydrocal, where do
    you get it? Is is expensive? Is it safe for the
    classroom?

    Kay in Kansas
    (Where we may get to study evolution again!)

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