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Magnetic Fields.

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Presentation on theme: "Magnetic Fields."— Presentation transcript:

1 Magnetic Fields

2 Magnetic Field Electrons spinning around their own axis produce a magnetic field. Every spinning electron is a tiny magnet.

3 Magnetic Field Most materials are not magnetic b/c their magnetic fields cancel each other

4 Magnetic Field In materials such as Iron Nickel and Cobalt
the fields do not cancel each other. They are called ferromagnetic

5 Review magnetic-field.html#lesson

6 Magnetic Domains

7 Clusters of aligned atoms are called domains
Permanent magnets are made by putting iron, cobalt or nickel in or near strong magnetic fields Another way is to stroke the piece of iron with a magnet…this lines up the domains in the iron

8

9 If lost in nature…this is recommended

10 2 Activities Lab Activity #1 Art Project #2


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