Physics
Published on Nov 19, 2015
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Over 60% of a home’s heat can be lost through un-insulated walls and lofts. A hassle-free way to save energy and prevent money disappearing into thin air is to stop this heat escaping with insulation.
Photo by jfilip
An electric circuit is like a pathway made of wires that electrons can flow through. A battery or other power source gives the force (voltage) that makes the electrons move. When the electrons get to a device like a light bulb, your computer, or a refrigerator, they give it the power to make it work.
Photo by Twechie
Electricity is the set of physical phenomena associated with the presence and flow of electric charge. Electricity gives a wide variety of well-known effects, such as lightning, static electricity, electromagnetic induction and electrical current.
Photo by Leo Reynolds
