| A | B | 
|---|
| electromagnetism | the relationship between electricity and magnetism | 
| solenoid | a coil of wire that makes a magnetic field with a current | 
| electromagnet | a solenoid with a ferromagnetic core | 
| force | magnet will exert a ______ a wire with a current running through it | 
| ferromagnetic | Use a stronger _____ material inside a solenoid to increase its strength | 
| motor | a device that uses an electric current to turn an axle. | 
| adding more coils | one way to increase an electromagnet's strangth | 
| magnetic field | flowing electrons generate a | 
| more current | increases an electromagnet's strangth | 
| generates | Moving a magnetic field near a solenoid _______ an electrical current. |