![Maryland Science Center: Build a Conductivity Tester [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Maryland Science Center: Build a Conductivity Tester [Pdf] Activity")
Maryland Science Center
Maryland Science Center: Build a Conductivity Tester [Pdf]
Instructions on how to build an instrument that can be used to test which materials are conductors and which are insulators, in order to bridge a gap in an electrical circuit.