Show:
Magnetism
Electricity and Magnetism
Examples of How Electricity and Magnetism are Related
Generators and Simple Motors
How Do Simple Electric Motors Work?
100
This is what magnets do made of metal, like iron or steel such as nails and paper clips
What is attract?
100
Since electricity and magnetism are so closely linked, this is what they do.
What is one can produce the other!
100
These are 3 examples of electricity and magnetism
What is electromagnets, generators, and simple generators?
100
_____________energy is changed to _______________energy in a generator
What is mechanical and electrical?
100
When ________ flows through the wire, a ___________ is produced.
What is electricity, magnetic field?
200
This is the number of poles that every magnet has?
What are two?
200
Electricity flowing through a wire will produce this. And it's also called a _______________.
What is magnetism? What is magnetic field?
200
This is an example of electromagnets at work
What is loudspeakers in TV's, radios, and stereo systems?
200
____________that produce electricity for our homes have coils of wire that are still and _____________ magnets that are connected to turbines (huge wheels) that rotate when pushed by ____,_______, or ____________
What is Generators, rotating, water, wind, or steam?
200
Like poles of the magnets both ________ and unlike poles of the magnets ____________, causing the coil to ___________.
What is repel, attract, rotate?
300
This is what a north magnetic pole always do with a north pole?
What is repels?
300
A magnet moving through a coil of wire will produce this within the wire.
What is electrical current?
300
This is a strong magnet that can be turned on and off
What is an electromagnet?
300
An electrical __________ changes ________ energy to __________ energy.
What is motor, electrical, mechanical?
300
A __________ changes electrical energy to mechanical energy.
What is motor?
400
This is what a south magnetic pole always do to a south pole?
What is repels?
400
This will lose its magnetic force if the current stops doing this.
What is Magnet and stop flowing through the wire?
400
Simple electric motors contain _______________ that rotates between the poles of a magnet.
What is electromagnet?
400
This rotating __________________ can be attached to a shaft and blade in an electric fan
What is coil of wire?
500
This is what opposite poles do?
What is attract?
500
A generator produces ______________ when a coil of wire is wrapped around an iron core is ________________.
What is electricity and rotated near a magnet.
500
An electric circuit must be _____________________, unbroken path through which the electricity flows.
What is complete?
500
An electric circuit contains
What is a source of electrical energy, a conductor, and a transformer?