Teacher resources and professional development across the curriculum

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Sub Image2:Macro to Micro Structures
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: Don Reid (donreid@roe40.k12.il.us)
Date: Wed Aug 25 2004 - 14:55:38 EDT

  • Next message: Laura Witham: "Re: [Channel-talkchemistry] Safety Demos"

    I do a safety demo with calcium carbide and water in a plastic bottle (I use
    an old rubbing alcohol bottle) that has a small hole near the bottom. The
    calcium carbide looks like an innocent enough pebble, and what could be
    safer than water. Combine the two in the plastic bottle, stopper, wait 5-10
    sec, and ignite. Good lesson to not do unauthorized experiments.

    Don Reid

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