Magnetism and Magnetic Fields

Where is the force of a magnet the strongest?

• At the poles

• In the middle

• Far away from the magnet

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The magnetic north pole and the geographic north pole are always in the same spot.

• True

• False

Which of the following is not a pole on a magnet?

• North (N)

• South (S)

• West (W)

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

• same

• opposite

What is a magnetic domain?

• A region in a magnetic material in which the magnetic fields of atoms all point in the same direction

• A region in a magnetic material in which the magnetic fields of atoms all point in different directions

If 2 magnets have their North and North poles facing each other, what will happen?

• they will attract

• they will repel

• they will drift

• they will explode

what does the strength of a magnetic force depend on?

• what the magnet is made of

• how close an object is to the magnet

• how big the magnet is

• all of the above

Tags

NGSS.MS-PS2-3

if opposite ends of a magnet are facing each other, what will the magnets do?

• attract

• repel

• drift

• explode

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What do you call a magnet that can be turned off and on by applying an electric current?

• A temporary magnet

• A permanent magnet

• A fridge magnet

• An electromagnet

Magnetic field lines can cross each other.

• true

• false