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Magnetic Field Area around a magnet where the magnetic “force” could affect other objects. [http://www.ac.wwu.edu/~vawter/PhysicsNet/Topics/Mag neticField/gifs/B-FieldMagnet.jpg]

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Presentation on theme: "Magnetic Field Area around a magnet where the magnetic “force” could affect other objects. [http://www.ac.wwu.edu/~vawter/PhysicsNet/Topics/Mag neticField/gifs/B-FieldMagnet.jpg]"— Presentation transcript:

1 Magnetic Field Area around a magnet where the magnetic “force” could affect other objects. [http://www.ac.wwu.edu/~vawter/PhysicsNet/Topics/Mag neticField/gifs/B-FieldMagnet.jpg]

2 Magnetic Field Compass needles are magnets that can rotate when placed in a magnetic field. [http://www.school-for-champions.com/science/images/magnetic_detection2.jpg]

3

4 Movement of Magnetic North Pole

5 Movement of Magnetic South Pole

6 Magnetic Field Field lines are always drawn from North to South on a magnet. [http://www.wfu.edu/physics/pira/ResourceCD/ResourceI mages/PhysicsDrawings/Magnetic_Field_Lines.gif] Magnetic Poles

7 Magnetic Force Opposite poles will attract. [http://www.bbc.co.uk/schools/ks3bitesize/science/images/sci_dia_75.gif]

8 Magnetic Force Same poles will repel. [http://www.bbc.co.uk/schools/ks3bitesize/science/images/sci_dia_75.gif]

9 Magnetic Force Stronger forces exist when magnets are close to one another. Click here for a magnetic force demonstration.

10 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]

11 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


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