Magnetism

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

• magnetic field

• magnetic pole

• magnetic domain

• electromagnetic pole

Tags

NGSS.MS-PS2-5

Objects that keep their magnetic properties for a long time are called ____.

• temporary magnets

• permanent magnets 

• magnetic domains

• electromagnets

As the distance between two magnets increases (they get farther apart), the force between them:

• Increases

• Decreases

• Stays the Same

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

If you cut a magnet in half, what happens to the poles?

• One half gets the North Pole, the other half gets the South Pole

• Both halves get only a North Pole

• Both halves get only a South Pole

• Both halves get a North pole and a South Pole

Iron, Nickel and cobalt are all __________________ materials

• Shiny

• poles

• magnetic

• cold

Tags

NGSS.MS-PS2-3

What kind of magnet can be turned on and off?

• refridgerator magnet

• electromagnet

• magnetite

• iron

Tags

NGSS.MS-PS2-3

If you drop or heat up a a magnet, what will eventually happen to it?

• the magnet will become stronger

• the magnet will demagnetize

Magnetic poles and electric charges are similar in that...

• like poles repel and opposites attract

• magnetic force is equal to electric force

Tags

NGSS.MS-PS2-3

If the end of an unknown magnet sticks to a magnet pole labeled "North" the unknown end must be...

• North

• South

• East 

• West

Tags

NGSS.MS-PS2-3

Magnets stick to any materials that are made of

• Iron, Nickel, Copper

• Iron, Nickel, Cobalt

• Ions, Nickel, Cobalt

• Iron, Lead, Cobalt

Tags

NGSS.MS-PS2-3