4th grade ch. 13 sec. 3 what are magnetic fields

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Page 1: 4th grade   ch. 13 sec. 3 what are magnetic fields
Page 2: 4th grade   ch. 13 sec. 3 what are magnetic fields

MAGNETISM–a force that acts on moving electric charge

and magnetic materials that are near a magnet

• Magnets have large amounts of lodestone, a magnetic mineral.

Page 3: 4th grade   ch. 13 sec. 3 what are magnetic fields

MAGNETIC FIELD–An invisible field around a magnet.

• The magnetic field goes out in all directions. • The shape of the magnetic field depends on

the shape of the magnet. • The field is strongest at the magnet’s ends or

poles

Page 4: 4th grade   ch. 13 sec. 3 what are magnetic fields