How does the north pole of a magnet respond to the poles of other magnets?
It attracts the south pole and repels the north pole.
The north pole of a strong magnet is dragged down an iron nail from the top to the point 50 times.
The nail will pick up some paper clips because its domains have been aligned.
Which statement describes the magnetic field within a bar magnet?
It points from south to north.
Pedro uses a bar magnet to pick up a nail. He then touches the tip of the nail to some staples.
Why do some of the staples stick to the nail?
The nail has become a temporary magnet, while the bar magnet remains a permanent magnet.
Steel objects can become temporary magnets because they are mainly composed of which element?
iron
A cluster of atoms whose magnetic fields are aligned in the same direction is a magnetic
domain
.
domain
An iron nail does not pick up paper clips as a magnet would.
What can be concluded about the structure of the iron nail?
It has domains that are not aligned.
Pairs of magnets are shown in the diagram.
Which pair of magnets is aligned so they will repel each other?
X
A bar magnet is placed on a table so that the north pole faces right.
Which statement describes the magnetic field lines 2 cm above the table?
They are pointing right to left.