To provide evidence that goes against a claim
What is refute?
To separate or set apart
What is isolate?
The ability to make things move or change
What is energy?
A type of magnet in which the magnetic field is produced by an electric current
What is an electromagnet?
A magnetic force can convert _______ energy stored in a magnetic field to ______ energy
a. kinetic to potential
b. potential to thermal
c. potential to kinetic
What is c. potential to kinetic?
An object, diagram, or computer program that helps us understand something by making it easier to see
What is a model?
Something that can be changed and may be measured
What is a variable?
The energy an object has because it is moving
What is kinetic energy?
Creating a model of a magnetic system and defining its parts helps scientists _____ and _____ the relationship between force and energy
a. test and explain
b. explain and show
c. define and relate
What is a. test and explain?
The pattern of magnetic field lines around attracting magnets is _____ from the pattern of magnetic field lines around repelling magnets
a. different
b. same
c. changed
What is a (different)?
A set of interacting parts forming a complex whole
What is a system?
To pull objects toward one another
What is attract?
The energy that is stored in an object or system
What is potential energy?
A magnetic force can _____ or repel objects at a distance
a. repel
b. attract
c. distance
What is b. attract?
True/False: In a system of magnets, there is a repelling force between opposite poles and an attracting force between like poles
What is false?
To change from one type to another
What is convert?
To push objects away from each other
What is repel?
A line that connects opposite magnetic poles and represents the strength and direction of the magnetic field
What is a magnetic field line?
A magnetic force is stronger ______ to a magnet
a. farther
b. closer
c. next
What is b. closer?
True/False: The energy used to move a magnet against a magnetic force is stored as kinetic energy in the magnetic field
What is false?
To move from one object to another place or object
What is transfer?
One of the two ends of a magnet
What is a magnetic pole?
The space around a magnet in which magnetic forces can act on objects
What is a magnetic field?
Moving a magnet against a _______ magnetic force transfers more energy to the magnetic field
a. stronger
b. weaker
c. same
What is a. stronger?
What would happen to these two magnets?
| N S | | S N |
What is repel?