Permenant and Induced Magnets

• All Magnets Produce Magnetic Fields.
• Magnetic Materials: Iron, steel, nickel, colbalt.
• Magnetic lines always go from North to South.
• The closer together, the stronger the magnetic field.
• Bar Magnets produce their own magnetic field. They are Permanent Magnets.

  
• Liked Poles Repel

  Unlike poles attract.

  
• Induced Magnets are objects that become magnetic when placed in a Magnetic Field.
• There are types of Magnet:

  
  

  • Permanent
  • Induced
• Compasses always point North because they follow the Earths Magnetic field.

  
• The Earth produces its own Magnetic Field because the core is made out of iron.