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Magnetic Field [http://www.ac.wwu.edu/~vawter/PhysicsNet/Topics/Mag neticField/gifs/B-FieldMagnet.jpg] Area around a magnet where the magnetic “force” could affect other objects. Magnetic Field [http://www.school-for-champions.com/science/images/magnetic_detection2.jpg] Compass needles are magnets that can rotate when placed in a magnetic field. Movement of Magnetic North Pole Movement of Magnetic South Pole Magnetic Field Magnetic Poles [http://www.wfu.edu/physics/pira/ResourceCD/ResourceI mages/PhysicsDrawings/Magnetic_Field_Lines.gif] Field lines are always drawn from North to South on a magnet. Magnetic Force Opposite poles will attract. [http://www.bbc.co.uk/schools/ks3bitesize/science/images/sci_dia_75.gif] Magnetic Force Same poles will repel. [http://www.bbc.co.uk/schools/ks3bitesize/science/images/sci_dia_75.gif] Magnetic Force Stronger forces exist when magnets are close to one another. Click here for a magnetic force demonstration. Magnetic Force Only certain metals are magnetic. (ex: iron, cobalt, nickel) These metals can act like magnets when their magnetic domains are aligned. [http://www.mcdl.net/i/magnetic_domains.gif] Magnetic Force Permanent magnets are created when a magnetic metal is surrounded by a strong magnetic field. This can be accomplished by using electric current! Click Here for an Electricity & Magnetism Demo