BONUS
what is one type of a magnet?
Electromagnet, Permanent magnet
what does a magnet attract?
iron, nickel, steel, copper, etc.
where are the forces of a magnet the strongest?
the poles: north & south.
what is a permanent magnet?
a magnet that always has a magnetic field, without any other forces.
what is a magnetic force?
attractive or repulsive forces between magnets.
what is a electromagnet?
a magnet that needs electricity to function, when electricity is turned off, it stops functioning.
they repel.
what is a magnetic field?
the invisible "force zone" around a magnet or electric current where magnetic forces (pushes/pulls) are felt.
actually worth 1000: what are three ways you can magnetize iron, nickel, steel, etc.?
stroking with a permanent magnet, exposing the material to a strong external magnetic field, or using electrical current
what are the 3 ways you can demagnetize a magnet?
Heating it very hot, striking it hard, alternating current.
how can you find the north & south pole on an unmarked magnet?
using a compass, or using another marked magnet.