| A | B |
|---|
| Circuit | an unbroken path through which negative charges can flow |
| resistor | This reduces the amount of electricity that can flow through a material |
| insulator | A material that does NOT allow electricity to flow through it |
| conductor | a material that allows electricity to flow through it |
| current | A magnetic field is caused when a flows through a circuit |
| neutral | Objects that have the same number of positive and negative charges are |
| negatively-charged | an object with nine- charges and three + charges is ____ |
| power source | An object has an unbroken path and a |
| parallel | A ____ circuit has more than one path. |
| electricity | The continuous flow of negative charges through a material is called ___ |
| Static | Curent electricity is more useful than _______ electricity. |
| Magnetism | ____ and electricity are related |
| pole | Magnets have a north and south ____. |
| Repel | Objects that have the same kind of charge ____ each other. |
| wind | Electric power plants use water, steam, and ____ to make generators work. |
| poles | A magnet's magnetism is strongest at the magnet's ____. |
| magnet | A ____ is an object that can attract iron. |
| poles | The ends of a magnet are called _____. |
| magnetic field | The area around a magnet where the force of the magnet can act is the ________ |
| magnetism | The pushing or pulling force caused by a magnet is ____. |
| generator | A ____ produces electricity by using a coil of wire and a magnet. |
| electromagnet | A temporary magnet formed when electric current flows through a wire coiled around a metal core is an ____ |
| fire alarms, telephones, televisions | This uses an electromagnet |
| wire | A magnet can produce electricity by moving a magnet through a coil of _____. |
