Tags: transportation

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  1. David Lara

    https://stemedhub.org/members/11499

  2. Javier Antonio Martinez

    https://stemedhub.org/members/11475

  3. Cynthia Porter

    https://stemedhub.org/members/11469

  4. Harry Johnson Miler

    https://stemedhub.org/members/11468

  5. Designing Safer Roadways

    03 Jun 2014 | Contributor(s):: Kendra A Erk, James Daniel Lehman

    This grade 4 design task focuses on forces, motion, and transportation systems by challenging students to design a roadway that will slow and then stop vehicles from running off the road.