Electromagnets

Where does electricity flow in an electromagnet?

• through the insulation
• through the rivet
• through the air
• through the closed switch

What component provides the pathway to carry electricity from component to component?

• d cell
• wire
• switch
• wire coil

Which component controls the flow of electricity by opening and closing the circuit?

• switch
• d cell
• wire coil
• core

What type of magnet that can turned on and off?

• electromagnet

• permanent magnet

• electricity

• battery

Like poles on a magnet

• attract
• repel

What is this?

• magnet
• electromagnet
• series circuit
• parallel circuit

The Earth produces its own magnetic field.  True or false?

• False
• True

What is magnetism?

• invisible objects coming together
• a force that either attracts or repels certain materials
• full of electricity
• metals

A coil that is magnetized only when an electric current flows through it is _____________.

• a battery
• a generator
• a conductor
• an electromagnet

What are the ends of a magnet called?

• East and west poles
• Left and Right ends
• North and South ends
• North and South poles