Magnetism
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What does force do
Attracts or repels
What does force attract or repel
Only certain metals (iron, cobalt, nickel, chromium)
What are iron, cobalt, chromium, and nickel classified as
Ferromagnetic
Define ferromagnetic
Attracted to magnets
Like poles……..
Repel
Unlike piles……..
Attract
If you cut a magnet in half what do you get
Two new magnets
What is a magnetic domain and what is its symbol
Smallest magnetic field possible
What are two ways to make the invisible magnetic field visible
• Iron filings 2. Small compasses in which the north arrow of the compass points to the South Pole of the magnet
How do you make something magnetic
You introduce it to a strong magnetic field and its domains align
Define force
Make things move without touching
The region in which magnetic forces act is called
Magnetic field
What are the four ferromagnetic materials
Iron, nickel, cobalt, and chromium
The person who first suggested the earth behaves as a magnet was
Gilbert
The region in which earths magnetic field is called the…..
Magnetosphere
A coil of current carrying wire with an iron core is called
An electromagnet
Like plea of magnets……… Each other
Repel
The type of magnetic material found in nature is called
Magnetite
A compass needle points in the direction of the earths……. North Pole
Magnetic
How does earth act like a magnet
It has a north and South Pole like a magnet
How is an aurora produced
It is produced when sun waves interact with the South Pole of the earth