Engineer an Electric Switch

Build a switch that can complete a circuit to turn on an LED.

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Inspiration Video

Suggested Materials

  • 2 aa batteries and battery holder
  • LED with resistor
  • conductive materials (paperclips, aluminum foil and/or binder clips)
  • tape
  • 2 or more wires with alligator clips
  • recycled cardboard
  • scissors
Optional
  • electrical tape
  • construction paper
  • popsicle sticks or bamboo skewers
  • protective gloves

Difficulty Level

1
2
3

This design challenge may require moderate motor skills, understanding of some abstract concepts, or uncommon materials to build.

This is the difficulty level for a typical 4th grade classroom. Modify as needed for other age groups.

Resources

This design challenge has downloadable resources available.
Mentors and parents with access to this design challenge can download resources.