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28 Cards in this Set

  • Front
  • Back
All matter is made of _____?
Atoms
Repel
When two magnets push away from each other.
Temporary magnets
Objects that can be magnetized by a magnetic source, but lose their power after the source is removed.
Each atom is made of particles called _________ ,
___________ , and ___________?
Protons, neutrons, and electrons
Name the different shapes in which magnets can be found.
Bar magnets, horseshoe magnets, circular magnets.
You can make a ___________
magnet from a nail by rubbing it with a magnet.
Temporary
Atoms
Tiny particles that make up all matter.
Lodestone
A natural magnet. A rock which attracts iron.
Compass
A tool for finding directions. It contains a magnetized needle.
Name two metals that cannot be picked up with a magnet.
Copper, aluminum
Lodestone
A rock that is a natural magnet.
Explain how protons, neutrons, and electrons are different.
Protons have a positive charge. Neutrons have no charge, Electrons have a negative charge.
Neutrons
Atoms with no charge.
Attract
When two magnets pull toward each other.
Name one metal that can be picked up by a magnet.`
Iron, cobalt, nickel
Where are the earth's magnetic poles located?
(What is near) the North Pole and the South Pole (?)
Electrons
Atoms with a negative charge.
What determines whether or not a metal is a magnet?
A magnet is a substance with the ability to attract other materials that contain iron.
How many poles do you find on a typical magnet?
Two poles called the North and the South
Magnetism
Magnetic power
Two _____ poles, or opposite poles, always attract or pull toward each other.
UNLIKE poles
Two _____ poles always repel or push away from each other.
LIKE poles
Magnet
a piece of metal that has the power to attract certain other metals like iron and steel
Poles
The part of a magnet where the magnetism is the strongest, usually the ends.
Permanent magnets
Those which keep their magnetism or magnetic power.
Magnetic field
The area around the magnet affected by its force.
Protons
Atoms with a postive charge.
Nucleus
The center of an atom.