Picture of Easy home made wind powered generator.
Lesson to put electricity to work. Just a simple wind powered generator you can make with spare wire from an electric motor. This is  intended this to be just a prototype for a much larger unit you would like to build. The magnet rotor is separate for the coils to make repairs or upgrades easier. This unit is not intended for high speed winds. Ages 10 and up.


To teach that moving a magnet over wire can create electricity.

To teach a basic or two about magnetism.

To educate that we can use natures own power instead of fossil fuel.

To understand why wind can be a force to help create electricity.

To compare student hypotheses with the actual results of the experiment

To learn to reuse what we have.
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Step 1: Hypothesis.

Picture of Hypothesis.
When you pass a magnet by a wire it should generate electricity. That is what we are going to try to prove here. Furthermore we can use wind energy to do all the work.

Step 2: Materials.

Picture of Materials.
12 small round magnets
6 beefy diodes. (aka high current/high voltage.)
Some 1/2 inch pvc pipe to be cut into 1/2 inch or so sections
Lots of magnet or motor wire. 12 * 14+ feet = 168+ fee the longer the bettert
Poster board
Jig to wrap coils

Cheap Dollar store magnetic compass.
A diagram of the generator to be made.
Drawing Compass
Plastic knife to cut the Styrofoam.
12 inch ruler

Step 3: Strategy:

Picture of Strategy:

Each student is to take the materials and then put together a wind generator. They will need to use a bit of geometry to make the plates. By testing the coils with a compass they can see how magnetism works.  They will also see the force of wind can be put to work. They will get some experience at putting a project together as an engineer might do with a prototype. Lastly see the unit they have built create electricity. For younger students the soil and magnet platform could be pre-made.

Marik I.2 years ago
How far away should the magnets be from the coils?
Computothought (author)  Marik I.2 years ago
Try to get the magnets as close to the coils as you can without danger of collision, Greater distance equals less results,.
Mk492 years ago
Nice me also want to build this one...
jgcnpcpalm2 years ago
yeah nice gif
mistic3 years ago
well done- I assume you will inform the students that there will be a post test and class graph? This will keep them alert I presume.
Computothought (author)  mistic3 years ago
Thanx and yes I will.