User:Gopiraju74

1.	INSULATOR:A material that does not easily transmit energy, such as electric current or heat. Materials such as wood, plastic, and ceramics are insulators. Fiberglass is an example of a heat insulator 2.	good conductor bad insulator:metals. gold and silver are some of the best. copper and aluminum are the most common, 3.	bad insulator:In general, metal or anything else that conducts heat or electricity well is a bad insulator. Gold, Silver, copper or metal.are bad. 4.	output: A device, such as a printer, video display, or speaker, that presents data from a computer to a user.Any peripheral that presents output from the computer, such as a screen or printer. Although disks and tapes receive output, they are called "storage devices." 5.	dipole: 1. a molecule having charges of equal and opposite sign. 2. a pair of electric charges or magnetic poles separated by a short distance. 6.	Screening: A screening test is a procedure that is performed to detect the presence of a specific disease. The individual or group of individuals (as in mass screenings) does not present any symptoms of the disease. 7.	Aeration tank:A chamber in which air is injected into wastewater to allow microscopic organisms to clean the water (see Activated Sludge). To introduce air into soil or water by natural or artificial means. To supply with air or expose to the circulation of air: aerate soil.To expose to oxygen, as in the oxygenation of the blood by respiration.To supply or charge (liquid) with a gas, especially to charge with carbon dioxide. 8.	Boiler:An enclosed vessel in which water is heated and circulated, either as hot water or as steam, for heating or power.A container, such as a kettle, for boiling liquids.A storage tank for hot water.A closed vessel in which a liquid is heated or vaporized by the direct application of heat to the outside of the vessel. 9.	sedimentation: the setting of solid particles (or solute) through a liquid (or solution) under the influence of a gravitational or centrifugal field. 10.	Input: A peripheral device that generates input for the computer such as a keyboard, scanner, mouse or digitizer tablet