magnet
one of the two opposite ends of a magnet
magnetic pole
to separate or set apart
isolate
a set of interacting parts forming a complex whole
system
the ability to make things move or change
energy
the space of a magnet in which magnetic forces can act on objects
magnetic field
to pull objects toward one other
attract
to provide evidence that goes against a claim
refute
the energy that is stored in an object or system
potential energy
a type of magnet in which the magnetic field is produced by an electric current
electromagnet
to change from one type to another
convert
something that can be changed and may be measured
variable
the energy that an object has because it is moving
kinetic energy
a line that connects opposite magnetic poles and represents the strength and direction of the magnetic field
magnetic field line
to push objects away from each other
repel
an object, diagram, or computer program that helps us understand something by making it simpler or easier to see
model
a push or pull that can change the motion of an object
force