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NATURAL SCIENCE

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By Javier

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Electricity has its origin in the movement of a small particles called electrons that is part of the atom.

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LIGHT BULB

An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light with a wire filament heated until it glows. Current is supplied to the filament by terminals or wires embedded in the glass. A bulb socket provides mechanical support and electrical connections.

The first light bulb that didn’t switch off in many hours was invented by Thomas Edison in January 1879.

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STATIC ELECTRICITY

Static electricity is an imbalance of electric charges within or on the surface of a material. ... A static electric charge can be created whenever two surfaces contact and have worn and separated, and at least one of the surfaces has a high resistance to electric current (and is therefore an electrical insulator).

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MAGNET

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A magnet is a material or object that produces a magnetic field. This magnetic field is invisible but is responsible for the most notable property of a magnet: a force that pulls on other ferromagnetic materials, such as iron, steel, nickel, cobalt, etc. and attracts or repels other magnets.

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EARTH’S MAGNETIC FIELD

Earth's magnetic field, also known as the geomagnetic field, is the magnetic field that extends from the Earth's interior out into space, where it interacts with the solar wind, a stream of charged particles emanating from the Sun.

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