Attraction
How do magnets move when they attract
Towards each other
How do magnets move when they repel
Away from each other
How is an electromagnet different than a regular magnet
It is powered by an electric field
What is stored energy
Potential energy
Instead of a north and south pole, what are the sides of an electric field called
Positive and negative
How are poles facing when magnets attract
Opposites together
How are poles facing when poles repel
Same poles together
How can an electromagnet be turned off
By removing the electric field
What is the energy of movement
Kinetic energy
What happens when a positive and negative electric field get close
They attract
How do magnetic field lines look when magnets attract
They connect
How do magnetic field lines look when magnets repel
They push away from each other
What metal is required to make an electromagnet
Iron
How are potential energy and kinetic energy releated
Positively (more potential energy=more kinetic energy)
What type of electricity is generated by friction
Static
How do you increase potential energy when magnets attract
Move the magnets apart
How do you increase potential energy when magnets are repeling
Push them together
How can you increase the power of an electromagnet
Either use a bigger electric charge or add more coils of wire
How are kinetic energy and speed releated
Positively (more kinetic energy=more speed)
What particle causes electricity to flow
electrons
Where is the magnetic energy greatest when magnets are attracting
Between the poles
Where is the magnetic energy greatest when magnets are repeling
On the outside edge of the poles
How does an electric field make an electromagent
The electric field pulls all the atoms of the iron to line up with the positive ends facing one way and the negative ends facing the other way
As repelling magnets are moved closer together, how does potential energy increase
Exponentially
How can magnets produce electricity
Spinning a magnet inside a coil makes electrons flow down the coil