Question | Answer |
what is electron | an electron has a negative charge |
what is a proton | a proton has a positive charge |
what is a neutron | neutrons have a neutral charge |
what is a circuit | it is a loop or circle |
how to make a circuit | 1. the north end of the battery [positive end]. 2. the south end of the battery [ negative end ]. 3. the brass threaded end of the base]. 4. the contact point on the bottom of the light bulb. |
what does electricity go though easily | water |
what is an atom made out of | neutrons,protons,electrons |
what are balanced and unbalanced atoms | in a balanced atom the # of protons equals the # of electrons in an unbalanced atom,they are not equal |
what is the moving part of an atom | the electrons |
who was the first to writ about electricity and how many years ago | a Greek philosopher about 2500 years ago |
what is a filament | the filament is a fine, coiled wire made of a though metal called tungsten |
what are the parts of a light bulb | tungsten , filament ,glass covering , screw base |
what is a conductor and insulator | a conductor lets electricity go through it [electrons] ex. water,metal anything metal an insulator does not allow electricity go through it ex. wood |