Magnetic Force

The magnetic domains of a permanent magnet are arranged randomly.

• True

• False

Because of the magnetic field, magnets do have to touch to affect each other. _______________

• True

• False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

When an object that is made of magnetic material but is not a magnet comes in contact with a magnet _____.

• its magnetic domains fall into alignment and it begins to repel other objects made of magnetic material

• its magnetic domains fall into alignment and it begins to attract other objects made of magnetic material

• its magnetic domains fall out of alignment and it begins to repel other objects made of magnetic material

• its magnetic domains fall out of alignment and it begins to attract other objects made of magnetic material

Tags

NGSS.MS-PS2-5

How can you make an item that is made of magnetic material become a permanent magnet instead of a temporary magnet?

• You can leave it in the magnetic field of an actual magnet for a long time

• You can heat it while it is being influenced by a magnetic field

• You can heat it and then let it cool it in a very strong magnetic field.

• You can do any of the above

The location of the strongest magnetic field is the ____.

• center of the magnet

• magnetic domains

• magnetic field

• magnetic poles

The region around a magnet where the magnetic forces act is the _____.

• electromagntic pole

• magnetic domain

• magnetic field

• magnetic pole

Tags

NGSS.MS-PS2-5

A compass needle acts as a(n) __________.

To increase the magnetic potential energy between two magnets, you can push together _______ _________ _________.

• 1 south pole to a metal object

• 2 opposite poles

• 2 similar poles

• any poles

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

When a magnetic force causes an object to move, it is ______ the object.

• inducing a current in

• always repelling

• doing work on

• always attracting

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which is a region in a magnetic material in which the magnetic fields of the atoms all point in the same direction?

• magnetic domain

• field lines

• north pole

• magnetic zone