pushes apart the magnets or pulls the magnet together
What is force
100
a magnet made by an electric current through a coil of wire
What is electro magnet
100
True or False the geographic North Pole and the magnetic north pole are at the same location
What is False
100
one way we use electromagnetism :
begins with d and makes a sound
What is doorbell
100
pole that points toward the north
What is the North
200
opposite end of the magnet that does not point north
What is South
200
magnet that loses its magnetization easily
What is temporary
200
place you would see the geographic North Pole
What is on a map
200
one way we use electromagnetism :
two words begins with m and d : you see people using this at the beach
What is a metal detector
200
groups of atoms in an area
What is domains
300
any material that attracts things made of iron
What is a magnet
300
magnet that is difficult to magnetize but lasts a long time
What is permanent
300
interaction between electricity and magnetism
What is elecromagnetism
300
one way elecromagnetism is used :
two words e and m : you see them in cars : it takes electrical energy and turns it into mechanical energy
What is electric motors
300
Aurora Borealis is also called this
What are the Northern lights
400
lines that map out the magnetic field these
What are magnetic field lines or field lines
400
needs to be lined up to make an object (scissors) magnetic
What is line of domains
400
coil of wire that produces a magnetic field when an electric current runs through it
What is a solenoid
400
a place you can use electromagnetism :
begins with j : another word(s) for this begins with s and y : you see a lot of scrap metal and torn up cars here
What is a junkyard or salvage yards
400
NOT ON YOUR TEST> reason that a electromagnet is useful
What is you can turn them on and off
500
points on a magnet that have opposite magnetic qualities
What magnetic poles
500
a bar magnet has this when you cut it into
What is a north and south pole
500
a maglev is this
What is a train
500
another use with elecromagnetism :
starts with a g : this small electromagnet measures current
What is a galvanometer
500
NOT ON YOUR TEST > two devices used to make the magnetic field stronger when using electromagnetism