Name an object that a magnet is attracted to.
Many different metal obejcts
A magnet that keeps its magnetism for a long time
a permanent magnet
What kind of magnet can be turned on and off?
Electromagnet
Name a type of metal that magnet is attracted to.
Iron/Nickel/Steel
Where is the magnetic force strongest on a magnet?
At the poles
Could a train be powered partially by magnets?
Yes
Can an electromagnet lift a car?
Yes
What are the components of an electromagnet?
1. Battery
2. Core
3. Wire
4. Switch
What kind of magnet can be made by rubbing a needle with a permanent magnet?
A temporary magnet
I put the north pole of a magnet near an unknown pole of another magnet. The magnets repel. What do I know about the unknown pole?
It was also a north pole.
If a nail is attracted to a magnet, what can you say about the nail?
That it was made with magnetic metal.
Draw the magnetic field of two attracting magnets
How does an MRI work?
When the electromagnet turns on it sends out a magnetic field. The magnetic field interacts with the atoms in the body. The atoms act like tiny magnets which the machine takes pictures of.