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Pot Luck
Vocabulary
Magnetic Domains
Fill in the Blank
Fun Times
100
Give an example of a nonmagnetic object.
anything that doesn't contain iron, nickel, or cobalt.
100
a push or pull exerted by a magnet
magnetic force
100
We can think of magnetic domains as _____ ________ within a bigger magnet.
tiny magnets
100
One serving of mini-wheats had enough daily iron for a child ages 9-13. True or False?
True
100
What is the difference between objects that a magnet attracts and objects that a magnet doesn't attract?
iron
200
Give an example of a magnetic object.
anything that is not a magnet that contains iron, nickel or cobalt
200
a substance that a magnet attracts
magnetic material
200
When a magnet is broken in half, do the pieces have one pole or two poles?
two poles
200
Iron helps transport _________ throughout the body.
oxygen
200
What happens when two like poles are next to one another?
they repel
300
Give an example of two types of magnets.
bar magnet, horseshoe magnet
300
a group of atoms that has magnetic fields pointing in the same direction
magnetic domain
300
Nonmagnetic materials are grouped in magnetic domains. True or False?
false
300
Iron is an essential __________.
mineral
300
What happens when opposite poles are next to one another?
they attract
400
The Earth's core is made up of what materials?
iron and nickel
400
an object that attracts iron
magnet
400
When placing a magnet at one end of the nail, what was happening to the atoms inside the nail?
the magnetic domains began to point in the same directions
400
Anything that uses an _________ ________ depends on electromagnetism.
electric motor
400
Where would a generator be important to have and why?
hospital, school, etc.
500
What is needed to create an electromagnet?
magnetic core, wire coil
500
this surrounds a magnet of a current-carrying wire
magnetic field
500
Explain how the atoms of a magnet are arranged. (magnetic domains, direction of atoms)
in magnetic domains pointing in the same direction
500
An electric generator uses a _______ and _______ _______ to produce an electric current.
magnet, wire coil
500
What kind of magnet is a nail when its magnetic domains are aligned?
temporary magnet