Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Mag and Electricity
Magnetism and Electricity Vocabulary Words
| Term | Definition |
|---|---|
| Magnet | An object becomes a magnet when the material's magnetic domains align (electrons spin in the same direction). Material must contain either iron, nickel, cobalt, or gadolinium. |
| Attraction | opposite poles attract (come together). Opposite charges attract too! |
| Repulsion | Like poles repel (push away). Like charges repel too! "Like" means the same. |
| Magnetic Poles | North and South poles are on each side of all magnets. Magnetic force is strongest at the poles. |
| Magnetic Field | The area of magnetic force around a magnet. Produced by spinning electrons. |
| Magnetic Field Lines | Spread out from one pole, curve around the magnet, and return to the other pole. Arrows always point from North to South pole. |
| Magnetic Domain | When the electrons in a material are spinning the same direction, the material's magnetic domains are aligned. All objects have magnetic domains, but usually the electrons spin in opposite directions and cancel each other out. |
| Temporary Magnet | A magnet made from a material that easily loses its magnetism. |
| Permanent Magnet | A magnet made from a material that keeps its magnetism for a long time. |
| Ferromagnetic Material | A material that shows strong magnetic properties. Iron, nickel, cobalt, and gadolinium are ferromagnetic elements. |
| Electricity | a form of energy that involves the movement of electric charges (caused by the movement of electrons) |
| Current Electricity | A form of electricity in which electric charges move from one place to another through a conductor |
| Static Electricity | A form of electricity in which electric charges collect on a surface and may eventually discharge to another object |
| Conductor | A material through which electricity can flow easily (allows the electrons to flow from one atom to the next easily) |
| Insulator | A material that slows or stops the flow of electricity (does not allow the electrons to flow to the next atom easily) |
| Circuit | A looped path of conductors through which electric current flows |
| Electromagnet | a coil that has a soft iron core and that acts as a magnet when an electric current is in the coil. |
| voltage source | A device that creates an electrical potential energy difference in an electric circuit; batteries and generators are voltage sources. The "potential difference" is what allows the battery to "push" the electrons through the circuit. |
| load | A device that uses electrical energy to do work |
| wire | Must be a conductor so the electrons can flow through the circuit. |
| Joules | The units for the amount of energy being used. |
| voltage | The potential difference measured in volts. The amount of work to be done to move a charge from one point to another along an electric circuit. |
| volts | A unit of measurement for electrical potential of a battery. |
| current | A flow of electric charge. |
| amperes (amps or A) | unit of measurement of electric current |
| resistance | A material's opposition to the flow of electric current. |
| Ohms | unit for resistance |
| Ohm's Law | the current in a circuit equals the voltage difference divided by the resistance |
| series circuit | An electric circuit with a single path |
| parallel circuit | A circuit that contains more than one path for current flow. |
Created by:
kdidonna
Popular Physical Science sets