Vocabulary
Attract
To pull objects towards each other.
Model
An object, diagram, or computer program that helps us understand something by making iit simplier or easier to see.
Energy
The ability to make things move or change.
A _____ _________ can attract or repel an object at a distance.
Creating a _____ of a magnetic system and defining its parts helps scientists test and explain the relationship between force and energy.
Model
Repel
To push objects aways from each other.
System
A set of interacting parts that form a complex whole.
Kinetic energy
The energy an object has because it is moving.
In a system of magnets, there is a ______ force between like poles and an ____ force between opposite poles.
Repelling/attracting
Stronger
Magnetic pole
One of the two opposite ends of a magnet.
Magnetic field
The space around a magnetic which magnetic forces can act on an object.
Convert
To change from one type to another.
The pattern of magnetic field lines around attracting forces are _______ than repelling field lines around a magnet.
Different
A magnetic force gets stronger the _____ to the magnet.
Closer
Isolate
To separate or set apart.
Magnetic field lines
A line that connects opposite magnetic poles and represents the strength and direction of the magnetic field.
Potential energy
The energy that is stored in an object or system.
Magnetic force
A magnetic force gets weaker ______ from the magnet.
Farther
Something that can be changed a may be measured.
Refute
To provide evidence that goes against a claim.
Transfer
To move from one object to another or one place to another.
The energy used to move a magnet against a magnetic force is stored as _____ _____ in the magnetic field.
Potential energy
Electromagnet
A type of magnet in witch the magnetic field is produced by an electric current.