poles
what is a magnet
what is a magnetic field
Vocabulary
100
If two bar magnets north pole is facing each other they will repel or attract?
repel
100
Which type of rock is naturally magnetic?
lodestone
100
iron filings show the size and shape of the
magnetic field
100
permanent magnet
can hold its magnetism for a long time
200
you want to find out more about Earth's magnetic poles. Which is the best place to look? newspaper, recent encyclopedia, or a geography book
recent encyclopedia
200
If a magnet picks up a nail it is made of plastic, iron, or it is a permanent magnet.
iron
200
How is a permanent magnet different from a temporary magnet?
a permanent magnet keeps its magnetism for a long time
200
Nicle and iron are two metals that a magnet will attract or repel?
attract
300
How does a compass work?
The needle turns until the north-seeking pole points to Earth's magnetic north pole.
300
Which object would be attracted to a magnet? a glass bottle, a metal paper clip, or a rubber eraser
a metal paper clip
300
Which has the strongest magnetic pole? north pole and north pole, north pole and a pencil, or north pole and south pole.
What is north and south pole.
300
like poles of two magnets will repel or attract each other
repel
400
How many poles does a magnet have?
two
400
What happens when two bar magnets repel each other?
The poles of the magnets push away from each other.
400
what is a magnetic field?
the space around a magnet where the force of the magnet can act (attracting and repeling)
400
a device that uses a free-moving magnetic needle to show direction is called a
compass
500
Where is the magnetic force the strongest?
the poles
500
Which is a permanent magnet? a magnetized paper clip, sandstone, or a refrigerator magnet
refrigerator magnet
500
The earth's magnetic field is most like the magnetic field of a bar magnet, compass, or a horeshoe magnet?
bar magnet
500
a magnet will attract scissors if the scissors contain copper, aluminum, or nickel?
nickel