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General Engineering Science Fair Project

Build a Simple Electric Generator

Build a Simple Electric Generator | Science Fair Projects | STEM Projects
Have you ever wanted to make your own electricity? With this project, you can! All you need is some magnets, wire, and a light bulb. You'll be able to spin the magnets and generate electricity to light up the bulb.


The hypothesis is that spinning magnets will generate electricity to light up a bulb.

Method & Materials

You will score and fold a cardboard strip, poke a hole through it, spin the magnets, wind the wire, scrape the wire ends, tape the wire down, stick the magnets around the nail, twist the wire ends to the light bulb, and spin the magnets to generate electricity.
You will need four 1cm x 2cm x 5cm ceramic magnets, one #30 magnet wire 200ft, one miniature incandescent lamp, one cardboard strip, one large nail, a knife or sandpaper to strip the wires, tape to hold the wire down, and a hand drill or electric drill to spin it.


This project demonstrates how spinning magnets can generate electricity to light up a bulb. The most interesting observation is that the electricity generated is enough to light up a bulb.

Why do this project?

This science project is interesting and unique because it shows how electricity can be generated with simple materials.

Also Consider

Experiment variations to consider include using different types of magnets, different types of wire, and different types of light bulbs.

Full project details

You can find additional information and details for this science fair project here. Have fun exploring!

Related video

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