3rd Experiment

What are temporary magnets?

Temporary magnets are those which act like a permanent magnet when they are withing a

strong magnetic field,but lose they magnetism when the magnetic field

disappears. Examples woulld be paperclips and nails and other soft iron items.

4th experiment

What are permanent magnets?

Permanent magnets are those we are most familiar with,such as the magnets

hanging into our refrigerator doors.They are permanent in the sense that once they are

magnetize,they retain of magnetism.