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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.