 | Physics & Electromagnetism : Polarity of Electromagnets
When using electromagnets, pay attention to the fact that there is both a positive and a negative side, with electrons g...
 flv video  From: IronMan  Size: 6271.75 kb
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 | Physics & Electromagnetism : How to Repel 2 Pieces of Metal With Electromagnets
In order to repel two pieces of metal, two magnets are needed because electromagnets will only repel each other. Discove...
flv video From: IronMan Size: 5518.35 kb
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 | Physics & Electromagnetism : What Are the Uses for Electromagnets?
Electromagnets and electromagnetism can be used for loud speakers, microphones, metal sorting and electric motors. Find ...
flv video From: IronMan Size: 7312.28 kb
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 | Physics & Electromagnetism : Making Electromagnets With a Nail & Wire
When making electromagnets with a nail and wire, an iron or steel nail must be paired up with a copper or aluminum wire....
flv video From: IronMan Size: 6275.51 kb
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 | Physical Science : How Do Electromagnets Work?
Electromagnets work by using electricity to create magnetism, and they also use a coil to create a north and south end. ...
flv video From: IronMan Size: 5316.88 kb
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 | Hvemp Make Your Own High Voltage Electromagnets
An alternative Free Energy. The goal is clean and free energy for the future....
 pdf document From: illuminated Size: 534.25 kb
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 | Physics & Electromagnetism : Tips for Making a Stronger Electromagnet
Making a stronger electromagnet can be as simple as increasing the current through the coil wire by increasing the volta...
flv video From: IronMan Size: 5581.26 kb
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 | Physics & Electromagnetism : How to Change the Rotation of an Electric Motor
In order to change the rotation of an electric motor, change the direction of the motor by changing the direction of the...
flv video From: IronMan Size: 5870.81 kb
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 | Physics & Electromagnetism : How to Make an Electromagnet From a Battery
An electromagnet can be made by wrapping a coil of wire around cardboard, or a pencil, and attaching this wire to a batt...
flv video From: IronMan Size: 5445.38 kb
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 | Physics & Electromagnetism : How to Make an Electromagnet
An electromagnet, as opposed to a permanent magnet, can be switched off and designed to provide greater strength. Find o...
flv video From: IronMan Size: 6583.98 kb
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 | Physics & Electromagnetism : What Affects the Strength of an Electromagnet?
The strength of an electromagnet is directly related to the number of turns in the wire coil that is used to make the ma...
flv video From: IronMan Size: 5769.67 kb
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 | Physics & Electromagnetism : How to Make an Electric Motor Run Backwards
Most electric motors have two coils and are designed to only run in one direction, so changing the direction that an ele...
flv video From: IronMan Size: 5282.06 kb
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 | Physics & Electromagnetism : What Are Microscopes Used For?
Microscopes are used for looking at objects that are very close to us, yet are very small in size. Find out how slides a...
flv video From: IronMan Size: 6689.54 kb
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 | Physics & Electromagnetism : How to Make a Temporary Magnet
A temporary magnet is usually something like an electromagnet, which can have its magnetism turned on and off. Discover ...
flv video From: IronMan Size: 6619.08 kb
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 | Physics & Electromagnetism : Safety Tips About Electricity
When discussing electricity and safety, many people neglect to mention the fact that most house fires are caused by elec...
flv video From: IronMan Size: 8780.24 kb
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 | Physics & Electromagnetism : How Windmills Work
Windmills rotate when powered by wind, and this rotation is used to drive machines, such as grindstones or pumps. Discov...
flv video From: IronMan Size: 6858.62 kb
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 | Physics & Electromagnetism : Surface Conditions on Neptune
The surface of Neptune isn't very solid, being a gas giant, and the surface temperature is -225 degrees Celsius. Le...
flv video From: IronMan Size: 6828.57 kb
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 | Physics & Electromagnetism : How to Turn on a Light Bulb With a Battery
When using a battery to turn on the light bulb, it's highly important that the battery and the light bulb match in ...
flv video From: IronMan Size: 11151.66 kb
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 | Physics & Electromagnetism : Negative Effects of Technology
When discussing the negative effects of technology, people often bring up the fact that communication commonly occurs be...
flv video From: IronMan Size: 10797.79 kb
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 | Physics & Electromagnetism : The Domain Theory of Magnetism
Domains are large areas in ferromagnets in which the magnetism of the individual atoms and molecules are all aligned in ...
flv video From: IronMan Size: 6464.5 kb
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