Electricity
Like charges react like this when brought close to one another.
Repel
A closed pathway that an electrical current follows
Circuit
An object that is attracted to iron or steel
A magnet
When electricity comes together with magnetism it creates this
Electromagnet
Two unlike charges brought near each other will do this.
Attract.
A type of substance that electricity flows through easily.
Conductor
Electrical resistance is measured in these units.
Ohms
When two like poles of a magnet are brought near each other this happens
They repel
A machine that produces mechanical energy when electrical energy is added to a magnetic field
Electric motor
The unit of electric work
Watt
The unit that electric current is measured in
Amperes(Amps)
An item in a house that prevents a circuit from overloading.
Circuit breaker
What are the two poles of a magnet called?
North and south
How can you turn a regular piece of iron into a magnet?
Apply electricity to it or spin it quickly.
A substance that blocks or slows the flow of energy
Insulator or resistor
If you add multiple light bulbs in a series circuit what happens as you add each bulb?
Each bulb gets dimmer.
The fact that the earth is a giant magnet allows the use of this navigational tool.
A compass.
What is the benefit of using an electromagnet in a junkyard crane rather than a traditional magnet?
An electromagnet can be turned on and off.
Type of current where current flows in both directions or vibrates back and forth
Alternating Current(AC)
Why are Christmas lights now wired in parallel rather than series?
So if one light goes out the entire string does not go out.
The region of magnetic influence around a magnet
Magnetic field
A machine that produces electrical energy when mechanical energy moves an axle surrounded by magnets
A generator