Magnetic Domain

Magnets are made of tiny sections of magnetic fields that are aligned to produce a larger magnetic field. These are called _____.

• magnetic domains

• magnetic fields

• magnetic sections

• electromagnets

You know this substance is magnetized because

• all the domains have right angles

• the arrows are drawn in red

• the domains are aligned

• the domains are random

How can a material become magnetized?

• Placing the object into a strong magnetic field

• Heating the object

• Arrange the magnetic domains randomly

A permanent magnet

• has no magnetic domains until a magnet is near it

• has magnetic domains aligned only when another magnet is near it

• has magnetic domains aligned all the time

• has no magnetic domains

In un-magnetized materials the domains (electrons) are __________ aligned.

• super

• slightly

• randomly

• always

Tags

NGSS.MS-PS2-3

A temporary magnet

• has no magnetic domains until a magnet is near it

• has magnetic domains aligned only when another magnet is near it

• has magnetic domains aligned all the time

• has no magnetic domains

We know the substance in the image is magnetized because ___.

• All the domains are at right angles to each other.

• All the domains are aligned.

• All the arrows are drawn in red.

• All the domains are not aligned.

Tags

NGSS.MS-PS2-3

Which answer describes the pictures correctly?

• Both drawings show attraction of magnetic forces.

• The left drawing shows repulsion and the right drawing shows attraction of magnetic forces.

• Both drawings show repulsion of magnetic forces.

• The left drawing shows attraction and the right drawing shows repulsion of magnetic forces.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

In unmagnetized objects, the magnetic domains

• Are in random directions

• In one straight direction

• Two different directions

• None of the above

TRUE OR FALSE: A group of atoms with an aligned magnetic field is called magnetic domain

• TRUE

• FALSE

Tags

NGSS.MS-PS2-5