Magnets and Magnetic Fields

  • Created by: sara.5
  • Created on: 10-04-18 17:33
What is Permanent Magnet?
A magnet that is always magnetic
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What is Induced magnet?
A magnet that becomes a magnet because it is in the magnetic field of another magnet
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What are examples of magnetic materials?
metal iron, steel, nickel, Cobalt
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What is meant by a magnetic field?
The area around a magnet where it can affect magnetic material to induce a current.
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How can the shape of magnetic fields be found?
Plotting compasses
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Where is the field strongest?
Where the line are closer together
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What is the needle of plotting compasses
A small magnet
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What are the use of compasses?
Can help people find their way
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Where does the needle in a compass always point to?
The north Pole
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What does this show?
That the Earth has magnetic field
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How are compass needles kept at level?
They are weighted at one end.
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What is the Earths magnetic field caused by?
Electric currents in molten ouet
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What is the Earths magnetic field caused by?
Electric currents in molten outer core, which is made from a mixture of iron and nickel
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Other cards in this set

Card 2

Front

What is Induced magnet?

Back

A magnet that becomes a magnet because it is in the magnetic field of another magnet

Card 3

Front

What are examples of magnetic materials?

Back

Preview of the front of card 3

Card 4

Front

What is meant by a magnetic field?

Back

Preview of the front of card 4

Card 5

Front

How can the shape of magnetic fields be found?

Back

Preview of the front of card 5
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