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  1. Sound Absorption

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    09 Jun 2013 | Contributor(s): James Daniel Lehman

    This grade 3 lesson plan focuses on a design task to create a wall to absorb sound.

  2. Teacher Reflection: Lehman, Prosthetic Leg, Fall 2012

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    09 Oct 2012 | Contributor(s): James Daniel Lehman

    This is Jim Lehman's reflection on the prosthetic leg activity in Fall 2012.