1. Magnet Notes Must contain nickel, cobalt or iron
Magnets have a North Pole and a South Pole
Like poles repel
Opposite poles attract
Objects that are magnetic attract magnets

2. A magnet that always has magnetic properties is called a permanent or man-made magnet
A magnet that is sometimes magnetic but can be turned off and on is called a temporary magnet
A magnet that is found in the earth is called a natural magnet

3. Compass First compass developed in China Contains a magnetized needle
A compass points to magnetic north

4. Electromagnets An electromagnet is a temporary magnet
The strength of an electromagnet was most impacted by the number of batteries
The more coils the greater the strength
Electricity flow controlled by a switch
Source of magnetism is electricity (battery)