Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
19 Cards in this Set
- Front
- Back
Magnet |
Any materialthat attracts iron and materials that contain iron.
|
|
Magnetic pole |
Any magnet, no matterwhat its shape, has two ends, each one called a.
|
|
Magnetic force |
The attraction or repulsion between magneticpoles is.
|
|
Magnetic field |
The area of magnetic force around a magnet isknown as its
|
|
Magnetic field lines |
Spread out from one pole, curve around the magnet, and return to the other pole. |
|
Atom |
Smallest particle of an element that has the propertiesof that element.
|
|
Element |
One of about 100 basicmaterials that make up all matter.
|
|
Nucleus |
The center region of an atom
|
|
Proton, Neutron, and electron |
Has a positive charge, has a neutral charge, has negative charge. |
|
Magnetic domain |
A grouping of atoms that havetheir magnetic fields aligned.
|
|
Ferromagnetic material |
A material that shows strong magnetic properties
|
|
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
|
|
Compass |
A device that has a magnetized needle that spinsfreely.
|
|
Magnetic declination |
The angle between geographicnorth and the north to which a compass needle points.
|
|
Van Allen belts |
Theseregions contain electrons and protons traveling at very highspeeds. They are also doughnut-shaped.
|
|
Solar wind |
A stream of electrically charged particles flowing at high speeds from the sun.
|
|
Magnetosphere |
The region of Earth’s magnetic field shaped by the solar wind.
|
|
Aurora |
A glowing region in the atmosphere caused by charged particles from the sun.
|