Tags: door alarm

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  1. Circuits PowerPoint

    10 Jun 2013 | | Contributor(s):: David C Eichinger, Erin K Doherty, James Daniel Lehman, Venkatesh Merwade

    PowerPoint slides to accompany the Design of a Door Alarm task.

  2. Design of a Door Alarm

    10 Jun 2013 | | Contributor(s):: David C Eichinger, Erin K Doherty, James Daniel Lehman, Venkatesh Merwade

    This grade 4 design task helps students learn about simple circuits by designing a door alarm.