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U2 L4 (video 1 magnets (magnetic fields (out north in south (image), if…
U2 L4
video 1 magnets
what is a magnet
attracts iron or contains iron
2 magnetic poles, north & south
exert forces on each other
like repel
opposites attract
magnetic fields
out north in south
if you place something in field it will be affected
all objects have a magnetic field but they cancel each other out
magnetic materials
they have domains
magnetic (whole)
not magnetic
magnetic (split)
iron, nickel, & cobalt
video 2 magnet types
types
ferromagnetic
strong
iro, nickle, & cobalt
electromagnets
produces by electric current
temporary magnets
placing materials into a strong magnet field
rubbing a pole of a strong magnet on a material
the earth is a magnet
the north pole is the magnetic south pole
the south pole is the magnetic north pole
