|Electricity is an energy that runs machines, lights light bulbs and makes heat. Electricity is invisible. There are protons, neutrons, atoms and electrons in electricity.|
|A light bulb works by
electricity flowing through the wire which causes the filament to heat
up. The heat makes the filament glow. Resistance is the concept that causes
it heat up.
Click on the light bulb for a diagram of a light bulb.
|Thomas Alva Edison, an American,
invented the light bulb in 1879. He was born on February 11, 1847 and died
on October 18, 1931. But Joseph Swan, an Englishman, invented the light
bulb in 1878, several months before Edison. Swan was born in 1828 and died
Click on the light bulb for more information on these inventors.
To learn more about electricity click on the light bulb.
To watch a movie about electricity click here
energy and electricity games click here.
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