| A | B |
|---|
| positive | positive An object has a positive charge if it has extra positive charges |
| resistor | The strip of material that glows in a light bulb is an example of this |
| motor | A device that produces motion energy from electrical |
| charge | a measure of the extra positive or negative particles that an object has |
| static electricity | The charge that stays on an object |
| electric field | The space where electric forces occur around an object |
| electric current | A flow of electric charges |
| circuit | A path that is made for an electric current |
| electric cell | battery which supplies energy to move charges through a circuit. |
| conductor | a material that current can pass through easily |
| insulator | A material that current cannot pass through easily |
| resistor | A material that resists but doesn't stop the flow of current |
| magnet | an object that attracts certain materials, usually made of iron or steel |
| magnetic poles | two ends of a magnet |
| magnetic field | the space all around a magnet where the force of the magnet can act. |
| electromagnet | The arrangement of wire wrapped around a core |
