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Magnets (Shapes and sizes (natural (can be found in greece (have strong…
Magnets
Shapes and sizes
small to big,usual to unusual
natural
can be found in greece
have strong magnetic force
example:lodestones
artificial
man-made
examples:U-Shape Magnet
Reaction
atraction
when unlike poles face each other
repulsion
when like poles face other
History
where and when was the first magnet discovered?
Ans: Magnesia ,Greece\4,000 years ago
Properties\Others
Advantages
example: if you drop iron fillings you can use a magnet to attract them
to locate\find directions
fragile
others
have north and south poles
