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;
21 Cards in this Set
- Front
- Back
|
Magnet |
any material that attracts iron and materials that contain iron. |
|
|
Magnetic Pole |
Any magnet, no matterwhat its shape, has two of these. |
|
|
Magnetic Force |
The attraction or repulsion between magneticpoles |
|
|
Magnetic Field |
The area of magnetic force around a magnet |
|
|
Magnetic Field Lines |
invisible lines that map out the magneticfield around a magnet. |
|
|
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 |
a particle that carriesa positive charge. (+) |
|
|
Neutron |
a particle that does notcarry a charge. (0) |
|
|
Electron |
a particlethat carries a negative charge. (-) |
|
|
Magnetic Domain |
A grouping of atoms that havetheir magnetic fields aligned. (tiny magnet) |
|
|
Ferromagnetic Material |
A material that shows strong magnetic properties. |
|
|
Temporary Magnet |
Amagnet made from a material that easily loses its magnetism. |
|
|
Permanent Magnet |
tend to stay magnetized.A magnet made from a material that keeps its magnetismfor a long time. |
|
|
Compass |
a device that has a magnetized needle that spinsfreely. |
|
|
Magnetic Declination |
Theangle between these two lines is the angle between geographicnorth and the north to which a compass needle points |
|
|
Van Allen Belts |
Between 1,000 and 25,000 kilometers above Earth’s surfaceare two doughnut-shaped regions |
|
|
Solar Wind |
a stream ofelectrically charged particles flowing at high speeds from thesun. |
|
|
Magnetosphere |
The region ofEarth’s magnetic field shaped by the solar wind |
|
|
Aurora |
A band of colored light that occasionally appears in the night sky near the magnetic poles. |
