Magnets and magnetic domains

Where is the force of a magnet the strongest?

• at the magnet's poles

• in the middle of the magnet

• far away from the magnet

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

When all of the magnetic fields of magnetic domains align in the ______ direction, a material becomes magnetic.

• opposite

• same

Tags

NGSS.MS-PS2-3

If two magnets have their North Poles facing each other then what will happen?

• They will attract.

• They will drift.

• They will explode.

• They will repel.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Magnetic field lines can cross each other.

• true

• false

Which metal is NOT magnetic?

• copper

• iron

• cobalt

• nickel

Tags

NGSS.MS-PS2-3

Which of the following shows the magnetic field correctly around a bar magnet?

• Diagram A

• Diagram B

• Diagram C

• Diagram D

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

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

The space in which the magnetic effects exists is called ___.

• the magnetic field

• the magnetic domain

• the magnetic material

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

How do magnetic field lines move?

• always from the south pole towards the

  north pole

• always from the north pole towards the

  south pole

• always from the pole to the middle

• depends of the type of magnet

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Magnetic field lines that are drawn closer to each other show ___.

• a decrease in polarity

• an increase polarity

• a smaller magnetic force

• a greater magnetic force

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5