A
What does attract mean?
pull together
What does repel mean?
push away
What particle is responsible for electricity?
electrons
What is an example of a conductor?
Iron, steel, cobalt, nickel
What is an example of a insulator?
Rubber, wood, plastic
What type of force would be present when two negatively charged objects are interacting?
Repulsive
What type of force would be present when the north and south end of a magnet are interacting?
Attractive
What is the area around a magnet where the force of magnetism acts?
Magnetic Field
What type of poles or charges are interacting if the force is repulsive?
Similar or like (example: north to north or positive to postive
What type of poles or charges are interacting if the force is attractive?
Opposite or unlike (Example: North to south or positive to negative)
What are the three parts of an electromagnet?
Iron, copper wire, and a battery
What is the flow of electrons through a conductor?
Electric current
In a electric circuit, how does the switch need to be positioned (closed or open) and why?
Closed so electrons flow to complete the loop
What is a conductor?
Material that allows electrons to flow easily.
What is an insulator?
Materials that does not allow electrons to flow through it easily.
What happens to the magnetic field around an object when the amount of electric current increases?
The size/strength of the magnetic field increases
What is a system of parts where electric current flows in a closed loop to do a task?
Electric circuit
What two factors affect the magnetic force between objects?
The material of the magnet and the distance between the objects.
What two factors affect the electric force between objects?
The amount of electric charge and the distance between objects.
How can you increase the strength of an electromagnet?
Add more turns to the coil or increase the electric current
How do the field lines look when forces are attractive?
Field lines connect in a continuous loop between objects
How do the field lines look when forces are repulsive?
Field lines do not connect objects and move away.
How can electricity be created using magnets?
Spinning magnets creates electric current
Moving or spinning electrons
What does changing a magnetic field create?