1. Vocabulary and Field Lines
Magnetism
Vocabulary and Field Lines

2. Vocabulary: Like Poles Repel
Magnet – any material that exerts a magnetic force
Magnetism – the attraction or repulsion of magnetic materials
3. Magnetic Pole – all magnets have 2 poles (North & South)
The magnetic effect of a magnet is strongest at the poles
Unlike or Opposite Poles Attract
Like Poles Repel

3. 4. Magnetic Force – the force of the attraction or repulsion that is produced when magnetic poles interact 5. Magnetic Field – the area of magnetic force around a magnet 6. Magnetic Field Lines – lines that map out the invisible magnetic field around a magnet

4. Magnetic Field Lines spread out from one pole, curve around the magnet, and return to the other pole.
North  South

5. Magnetic Field Lines: Attraction

6. Magnetic Field Lines: Repulsion