Magnets
Science
What is a magnet?
A magnet is something that attracts to another thing. It can be a piece of iron. It has a south and a north pole. In a magnet opposites attract and likes repel.
Magnetic field
A magnetic field is the surrounding area of a magnet that influences the magnet. Changing a magnetic field increases voltage.
Magnetic Forces
Magnetic forces are similar to electrical forces, for both kinds of forces cause objects and attract and repel. Magnetic poles produce magnetic forces.
Use 1
Collect nails from a porch repair job that have fallen in the grass.
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Use 2
Pin blueprints onto the side or hood of the truck.
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Use 3
Protect a tractor's engine: Ceramic magnets placed in the oil pan will attract steel bits that get into the oil from grinding pistons.
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