how to make an simple electromagnet

August 4, 2012

 Electromagnet Science Kit: $25
Electromagnet Science set is a kit with instructions and material to perform many different experiments related to electromagnets. These materials can also be used for your presentation.
Build a doorbell, telegraph system, even a catapult, using a true electromagnet. 

Electromagnet Science Set includes several introductory experiments in magnetism as well as six complete electromagnet projects. Complete projects are: 
1-Construct an electromagnet, 2-Construct an electric catapult, 3-Make pictures of magnetic field, 4-Construction of telegraph, 5-Construct a buzzer, 6-Construct a relay.

Depending on the level, your Electromagnet Science kit may include:

  • Experiment and Project book
  • Compass
  • Coil of magnet wire in spool
  • Neodymium magnet
  • Latch Magnets
  • Plastic coated hookup wire
  • Heavy magnet wire
  • Sand paper
  • Plastic drinking straws
  • 8 Sheet metal pieces
  • 6 disc magnets
  • Small wood screws
  • 4 small nails for securing wires
  • Large common nails
  • Large finishing nail
  • Small finishing nail
  • Small lights with leads
  • Battery holder
  • Iron filings
  • 2 Pre-drilled wood blocks
  • Light emitting diode (LED)

Additional Materials Required: Additional Materials Required for your experiments can be found at home or purchased locally. Some of these material are:

  • Four "D" cell flashlight batteries
  • Philips screw driver
  • String/tread
  • 1 spoon
  • 1 pair of scissors
  • 1 Roll of masking tape
  • 1 Nickel (US five cent piece)
  • 1 US dollar bill
  • 5 US pennies
  • 6 Small paper clips
  • Several Magazines
  • 1 piece of paper (8.5 x 11)
  • one book

Opportunities for Science Fair Projects
Many of the questions asked in the Electromagnet Projects, can serve as the "Problem to be solved" in a science project. In setting up your project, you would first state the problem, then hypothesis, ( a guess as the answer to your problem), next procedure to check the hypothesis, and finally a conclusion that answers the stated problem based on what you actually observe in your research. In addition you may be interested in proposing your own, specific research that will expand on your conclusion.
Since magnets are visually enticing in themselves as they interact with each other, it would be strongly suggested that your presentation include the apparatus you used in your research.


Air propulsion Motor Boats (Simple Electric Circuit)

August 4, 2012
Air propulsion Motor Boats
(Simple Electric Circuit)

Combine the joy and excitement of mechanical toys with your science project by constructing an air propelled motor boat. This is also a good way of learning about  simple electric circuits. Your boat will have a battery, a switch and a motor with propeller. This can be used as a science project related to electricity, force or floatation. This idea is good for a display project, an engineering project and an experimental (investigatory) proje...

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Make a battery that works with air and saltwater

August 4, 2012

Air Battery

Make a battery that works with air and saltwater

This science project experiment is a simplified version of the air battery project available at

Pictures and excerpts of information are published here with permission.

Introduction: We all know that the world is now facing an energy crisis and everyone is trying to do something about that. Now you can show everyone that electrical energy or electricity can be made from air and saltwater. After all, both the air and ...

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making a generator

August 4, 2012

Electric Generator

Wooden Generator


Making an electric generator is a good way of learning the principles of generators. It also is an exciting science project. 

As a display project, you just need to make it and demonstrate its structure. As an experimental project, you need to come up with questions about the factors that may affect the rate of production of electricity. 


If you want to do this as an experimental project, following are some suggested questions:

  1. How does the speed of tu...

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