Show:
Definitions
Electricity
Magnetism
100
What is electricity?
The science of electric charge and current.
100
How do electrons move?
Friction, conduction, induction
100
What are a magnets primary uses?
Lift cars, hold things to a fridge, MRI
200
What is a magnet?
A material that retains magnetic properties.
200
How do you get shocked by a doorknob?
When you walk electrons are transferred trough the person to the metal creating shock.
200
What is an electromagnet?
A magnet created by a wire carrying an electric current.
300
What is an electromagnet?
A magnet created by a wire around a steel center carrying electric current.
300
How is electricity energy?
As electrons flow from one atom to another, an electrical charge moves through the material.
300
How is an electromagnet made?
Wrapping iron in a wire and running current through it.
400
What is static electricity?
When two objects rub together and transfers an electric charge.
400
Will a negative and positive charge attract or repel?
Attract
400
If a north end of a magnet is touching the south end of a magnet, will it attract or repel?
Attract
500
What is an electric charge?
The flow of electrons in an electric current.
500
Will two negative charges attract or repel?
They will repel.
500
If the south end and the south end of a magnet are touching will they attract or repel?
Repel.