Magnetism Notes 1 Magnetism – is a force of ____________________________________ term comes from a metallic rock called ________________ in Magnesia, Greece _______________________ are natural magnets attraction and repulsion lodestone lodestones

Magnetic Poles Magnetic Poles- Magnets have ________________________________ Likes – _______ Unlike – _________ If you break a bar magnet; ______________ have __________ & ___________ poles. North and South poles. REPEL ATTRACT N – N or S - S N – S always North South

Magnetic Domains Line up of Atoms Magnetized Unmagnetized S N S N

Magnetic Field Lines of Force Magnetic Field- ______________ Closer together = ______________ Magnetic lines of force are closest together at the _______________________________ More Force Magnets Poles.