1. In the event you cut a magnet in two, you receive 2
smaller magnets consequently, each using their own north and south pole.
2. The north pole on the magnet points for the north pole
around the earth. It is because they may be both giant magnets and therefore
are aligning themselves together. This is the way a compass works.
3. To create a new magnet, take one you currently have and
after that rub it on the new bit of metal. This procedure is known as
magnetisation and can turn any bit of metal right into a magnet.
4. Electromagnets usually are not magnetic constantly. In
the event you pass electricity by way of a nail covered with a copper wire, it
becomes a magnet. When you stop the flow of electricity - it is merely a nail
and wire again.
5. A magnetic field is definitely an invisible area
surrounding every magnet that attracts metals as well as other magnets into it.
For this reason you are able to slowly push 2 magnets together and they can
jump to one another, because of them entering their magnetic fields.
6. The magnetic field produced by The Planet Earth is really
big and powerful, it stretches out into space. The Planet Earth is made of
metals and materials like iron, that makes it similar to a smaller magnet you
may have in your own home.
7. Fridge magnets are utilized around the globe in families
homes as well as in America, are noticed on around 20 times daily!
8. The effectiveness of a magnet is measured in Tesla (that
was the name of the scientist who specialised in electricity). Although the
Earth is massive and is also a huge magnet, it really is around 1000 times
weaker when compared to a small magnet you may have in your own home.
9. Magnetism was discovered and used over 800 years back in
ancient Greece and China. They even can had their very own compasses.
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