Conductor and Insulators

Electric Circuit-An electrical circuit is a network that has a closed loop, giving a return path for the current. A network is a connection of two or more simple circuit elements, and may not necessarily be a circuit. (resource)http://en.wikipedia.org/wiki/Electric_circuit

Electric Conductor-Conductor is a material in which an electric current can be produced. Most metals are good conductors.(resource) http://en.wikipedia.org/wiki/Conductors

Electric Insulator-An insulator is a material or object that resists the flow of electric current.(resource) http://en.wikipedia.org/wiki/Electrical_insulation

How can you define these in your own words based on our experiment with batteries, bulbs, wires, and different materials? How can you test to determine whether a material is a conductor or an insulator? How do you know when a circuit is a CLOSED circuit?You can determine if a certaikn material is a conductor or insulator when you connect the wires to te object. If the ligt doesn't go on even when te wires are connected then the object is an insulator, if te light goes on the object is a conducor.

How do these concepts apply to your object? What parts are made of conductors? Insulators? How did you know? Are any circuits are present? How can you tell? Use pictures to explain, if you want. The magnet on my speaker was a conductor because it was a metal and the wires connected to the speaker kept the light this was also because the wires were a metal.

What do you think a semiconductor is? Predict the meaning....Then look it up. Are there anny semi-conductors in your object. Where? What parts are made of semi-conductors and what special roles do they play?I'm not sure but I guess it means that certain objects don't let a lot of electric current go through it.

semiconductor- is a material with an electrical conductivity that is intermediate between that of an insulator and a conductor. A semiconductor behaves as an insulator at very low temperature, and has an appreciable electrical conductivity at room temperature although much lower conductivity than a conductor. Commonly used semiconducting materials are silicon, germanium, gallium arsenide and indium phosphide. (resource)http://en.wikipedia.org/wiki/Semiconductor

I don't think this material is in my object (speaker)