magnetism and electromagnet

Like poles of a magnet do what?

• repel
• attract 
• nothing 

Tags

NGSS.MS-PS2-3

What device makes a fan plugged into the wall spin?

• generator
• battery
• electromagnet
• electric motor

What is a wire in a circuit wrapped around an iron core called?

• electromagnet
• generator
• electric motor

Tags

NGSS.HS-PS2-5

Unlike poles of a magnet do what?

• repel
• attract
• nothing 

What is the force of attraction or repulsion of magnetic materials?

• electricity
• magnetism 
• energy
• electromagnetism 

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The diagram shows a coiled wire that carries an electrical current. What do the arrows represent?

• the magnetic field

• thermal energy

• light energy

• the electric field

Tags

NGSS.MS-PS2-3

Frances drew a diagram to show electromagnetic induction.

Which label belongs in the area marked X?

• Current

• Magnetic field

• Solenoid

• Force on wire

Tags

NGSS.HS-PS2-5

An object that is made of which material is likely to be attracted to a magnet?

• nitrogen

• nickel

• paper

• plastic

Tags

NGSS.MS-PS2-3

A bar magnet is cut in half, as shown.

• 
• 
• 
• 

Which statement correctly describes Earth’s magnetic field?

• A compass can lead a hiker to the geographic North Pole.

• The magnetic pole near the South Pole is a north pole.

• Compasses point toward a magnetic pole that is a north pole.

• Field lines circle Earth from east to west.