What is a magnetic material?

A magnetic material is any material or object that can be influenced by a magnetic field, and has the potential to become a magnet.

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Which 4 metals are magnetic (3 elements and 1 alloy)?

  Nickel

  Cobalt

Iron

  Steel.


Remember them as NCIS.

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What is the difference between a permanent and an induced magnet?

Permanent magnets always produce their own magnetic field (like a bar magnet on your fridge).


Induced magnets (also known as 'temporary magnets') only produce a magnetic field in the presence of another magnet.

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How do you make an induced magnet?

Place a magnetic material into a magnetic field, this will induce it to temporarily have its own magnetic field.

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Is the magnetic force between an induced magnet and the permanent magnet that created it attractive or repulsive?

It will always be attractive.

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What is the difference between a magnetically soft and a magnetically hard material?

Magnetic materials that gain and lose magnetism quickly are called magnetically soft materials.


Magnetic materials that gain and lose magnetism slowly are called magnetically hard materials.

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Is iron magnetically soft or hard?

Iron is magnetically soft.


It gains and loses its magnetism slowly.

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Is steel magnetically soft or hard?

Steel is magnetically hard.


It gains and loses its magnetism quickly.

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