Define permanent magnet.
Important Questions on Magnets
Define electromagnet.
Define magnetic material.
Define magnetic field.
Mariam has some pieces of metal. She does not know if each piece of metal is a permanent magnet, a magnetic material or non-magnetic material. For each piece of metal, say if it is a permanent magnet, a magnetic material or not magnetic. Give a reason for your answer.
One metal is attracted to both poles of a magnet.
Mariam has some pieces of metal. She does not know if each piece of metal is a permanent magnet, a magnetic material or non-magnetic material. For each piece of metal, say if it is a permanent magnet, a magnetic material or not magnetic. Give a reason for your answer.
One substance does not move at all when a magnet is placed near it.
Mariam has some pieces of metal. She does not know if each piece of metal is a permanent magnet, a magnetic material or non-magnetic material. For each piece of metal, say if it is a permanent magnet, a magnetic material or not magnetic. Give a reason for your answer.
One substance is attracted to one end of a magnet and repelled by the other end.
Which of the following mixtures can be separated by a magnet and why?
Iron and nickel
Which of the following mixtures can be separated by a magnet and why?
Steel and plastic
