An Invisible Force
When two magnets push away from one another; happens when two north or two south poles meet.
What is repelling?
Current multiplied by the resistance.
What is voltage?
A buildup of electric charge on an object or surface.
The loop (path) along which an electric current travels.
What is an electric circuit?
A temporary magnet that works only when electricity runs through it.
What is an electromagnet?
The three metals that are attracted to magnets.
What are iron, nickel and cobalt?
As resistance increases, current ______________.
What is decreases?
Materials that allow electric current to flow through easily.
What are conductors?
Materials that do not carry electric current easily.
What are insulators?
Power generated by water turbines.
What is hydroelectric power?
A place on a magnet where its pulling force is the strongest.
What is a magnetic pole?
The unit of measurement for current.
What is amperes or amps?
An electric circuit with no breaks.
What is a closed circuit?
Electrons moving from one atom to another atom.
What is electric current?
A machine that uses an electromagnet to change electrical energy into mechanical energy.
What is an electric motor?
An invisible area where magnetic forces are present.
What is a magnetic field?
The unit of measurement for resistance.
What is ohms?
The two locations on a battery that must have a path to one another to create an electric circuit.
What are the positive and negative terminals?
The sudden jump of a spark between two objects.
What is an electrical discharge?
A wheel shaped like a fan that spins when acted on by a force.
What is a turbine?
The result of particles from the Sun interacting with Earth's magnetic field.
What are the Northern Lights (Aurora Borealis)?
The nationality of Georg Simon Ohm?
What is German?
Device used to detect static electricity.
What is an electroscope?
Considered to be the Father of Electricity, also invented the rubber balloon.
Who is Michael Faraday?
A machine that uses a magnet to change mechanical energy into electrical energy.
What is a generator?