Magnet review
Force
Energy in the form of a push or a pull
The geographic North Pole is the same as the magnetic North Pole
False
How can you make a temporary magnet lose it's magnetism
Hit it on something hard like a desk
How does a compass work?
The north and South Poles make it so you are going north the compass will make you go north because of the magnetism.
Ferromagnet
iron being able to act like a magnet
What is a temporary magnet?
all of the answers are correct
What causes a metal to turn into a magnet?
all of the electrons are lined up and flowing in the same direction
How can you make a temporary lose its magnetism?
tap it to disorganize the electrons
Electromagnet
a type of temporary magnet made from coiling wire around an iron core connected to a battery
What is an electromagnet?
A magnet with an electricity running through it
What is a temporary magnet?
It acts like magnet only as long as it is in the magnetic field
In what ways is the earth like a magnet?
It makes a compass point north and south
If the North Pole was the end of a bar magnet, what end of the bar magnet would it be?
It would be the south end of a bar magnet
What material may become a magnet?
Metal
How can you increase the magnetic ability of an electromagnet?
More coil around the nail
Is the geographic North Pole the same as the magnetic North Pole
No
How do you increase the magnetic ability of an electromagnet?
Put more power into it. ( more coils of wire)
If the North Pole was the end of a bar magnet, what end of the bar magnet would it be?
South
How does a compass work?
The earths magnetic field
What causes a metal to become a magnet?
The positive and negative ions line up and cause the objects to attract or repel each other
Which of the following materials may become magnetized? An aluminum can, a paper clip, a nail, a penny, a dime, and a plastic spoon.
Two of the items may be magnetized, the nail and the paper clip
Repel
When objects push away from each other
What material can be magnetized?
a ferrous metal
Permanent
a magnet that will last and keeps its properties
Temporary
a magnet that will not last. it is not permanent
Iron
a malleable ductile magnetic silvery white metallic metal that rusts easily
Lodestone
a natural magnet. The first magnets known to people
Attraction
the force of unlike charges pulling toward each other
Poles
the two ends of a magnet, one north and one south
