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MJS Education Station®Name:Date:Period:Conductor or Insulator LabBackground Information:When electrons move from place to place, an electric current is created. Not all materials allow electrons to flow throughthem.Materials that allow electrons to flow freely are called conductors. Materials that do not allow electrons to flow freely are called insulators. In this investigation you will test some common materials and determine which are electrical conductors and which insulators.Pre-Lab Questions:1.Using the materials list below list the conductors versus insulators.Materials:1.5V Dry Cell1.5V Lamp With Sockets3 Connecting WiresPenny (Copper)PaperWaxGlassAluminum FoilPlasticPaper ClipWoodRubberClothPencil Lead (Carbon)Nickel (Silver)Procedure:1.Set up a dry cell, lamp and connecting wires as shown in figure bellow2.Keep the ends of the two test wires about 2cm apart. Bring the ends of the wires into contact with each of the test materials to be tested. Record your observations in the data table.ConductorsInsulators
MJS Education Station®Data TableMaterialBrightDimNo LightCopperSilverPaperWaxGlassAluminum FoilPlasticPaper ClipWoodRubberClothCarbonGoing FurtherStrip about 8cm of wood away from one side of a pencil to expose the lead core inside the pencil. Hold the two ends of your test wires as far apart as possible and touch them to the lead core. Slowly move the wires closer together and observe what happensto the lamp.Record your observations explain what you think is happening.
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