Technology Everywhere

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Topic: Students use circuits to make an alarm. They learn about switches and use this new information and the engineering design process to complete a challenge.

Time: 45–60 minutes; implemented in one session

Materials:

  • Computer with projector, speakers, and Internet access

  • PowerPoint: Technology Everywhere

  • Activity Leader Checklist

  • Tell My Story Form

  • Student Handouts (1 per student)

  • Alarm Kit (1 per team); each kit includes the following items:

    • 1 AA battery

    • 1-2 feet of 22-gauge electrical wire

    • 1 buzzer (wires attached preferred)

    • 1 roll of tape (duct or masking)

    • 1 piece thin non-corrugated cardboard (also called paperboard, or chipboard; cereal boxes work)

    • 1 piece aluminum foil

    • Scissors

  • Pens or pencils (1 per student)

  • Wire strippers (1 pair)

Cost: US$32.00 to US$35.00 (plus US$11 if wire strippers are needed) in material costs when completing this activity with 20 students organized into teams of four students.