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