1. Magnetism

2. Magnets Attract items made of iron, cobalt, or nickel.
Some items that are magnetic…..
Some that are not magnetic……

3. Bar Magnet Every magnet has a pole at each end. North pole South pole
This is where the greatest strength of the magnet is.

4. Magnetic Forces
When ends of magnets are brought together there is either a push or a pull force.
Like poles repel, push
Opposite poles attract, pull

5. Magnetic Fields A field around every magnet exists
This field demonstrates the strength of force that would be felt at that position.

6.                     
Fields Continued
The magnetic field always flows from the North Pole to the South Pole
Arrows show the direction of the field.

7. Magnetic Compass
Hanging a magnet from a string, the north pole of the magnet will point in a northward direction.
The pole facing a southern direction is the south pole .

8. Earth’s Magnetic Field
The center of the earth is composed mostly of Iron.
Therefore the Earth has a magnetic field.
There is a north pole and a south pole.