| A | B |
|---|
| static electricity | an imbalance of charge generates this |
| energy | electric circuits transfer this |
| friction | This can cause electrons to be transferred from one object to another |
| conductor | This is a material that easily transfers an electrical current. |
| insulator | This is a material that does not easily transfer an electric current. |
| semi-conductor | This is a material that is in between a conductor and an insulator in terms of transferring electric current |
| resistence | This is a property of matter that affects the flow of electricity |
| voltage | This is the potential difference in charge between two points |
| current | This is the uniform flow of electrons through a circuit |
| circuit | To work, electrons need a complete, conducting pathway, called this. |
| high to low | Electrons travel from _______ to ______ potential through a device |
| work | When electrons transfer energy to perform some useful function, it is called ______. |
| transfer of data and miniaturization | Electronic circuits have advantages over electric circuits, providing ____________ and ________. |
| transitors | These are semiconductor devices made from silicon, and other semiconductor materials |
| light switch | Transistors are are used to amplify electrical signals (in stereos or radios) or to act like a ____________ |
| attractive or repulsive | Electric and magnetic (electromagnetic) forces can be ____________ or _____________ |
| magnetic field | Moving electricity can produce a ________________ and cause iron and steel objects to act like magnets |
| electromagnets | These are temporary magnets that lose their magnetism when the electric current is removed |
| electromagnetic induction | Changing magnetic fields can produce electrical current in conductors. This phenomenon is called ____________________ |
| Generator | This is is a device that converts mechanical energy into electrical energy |
