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Glossary of Terms - F
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Filament: The wire inside a light bulb that gives off light.
Fission: The splitting apart of an atom’s nucleus, releasing a large amount of heat energy.
Fluorescent bulb: A lightbulb that emits light because the gas inside it glows when it is charged by electricity.
Flue: A flue is a pipe that carries the products of combustion out of a building. Fireplaces have flues that direct the smoke from a fire up the chimney. Natural gas appliances and equipment have flue pipes that vent to the outdoors.
Fossil fuels: Coal, oil, and natural gas are known as fossil fuels because they were formed from the fossilized remains of animals or plants that lived long ago.
Fuel: A substance that can be used to produce heat.
Fuel cell: A technology that produces electricity through a chemical reaction similar to that found in a battery.
Fuse: A safety device that cuts the flow of electricity when an overload occurs.
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