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DocuSign Envelope ID:8COC6AOF-56EE-46F5-A733-01 0A357A1 EFA <br /> INSULATOR - A substance that does not carry a current well such as <br /> rubber, wood, air, glass, and porcelain. <br /> LEYDEN JAR A glass jar or bottle used to accumulate electricity. ' 'LASS <br /> Coated with foil both inside and out, it is connected to a metal Fcsn <br /> conducting rod which passes through an insulating stopper and <br /> charges the jar with electricity. <br /> LIGHTNING - The discharge of static electricity built up in a cloud. <br /> LODESTONE - A piece of magnetite that is often <br /> used as a compass. <br /> MAGNET- A solid object with the power to attract iron or other metals. <br /> MAGNETIC FIELD - The region within which a magnet's magnetic force acts. <br /> MAGNETISM - The force that attracts objects to a magnet. A property possessed <br /> by certain materials, that attracts or repels similar materials. It is closely related <br /> with moving electricity. <br /> NEUTRON - A particle in an atom's nucleus with a neutral charge. M ' <br /> NUCLEUS - The center of an atom. <br /> PROTON - A particle in an atom's nucleus with a positive charge. <br /> RENEWABLE ENERGY - An energy source that can't be used up such as wind, <br /> solar, and water power. Coal, oil, and natural gas are non-renewable because <br /> they can be depleted. <br /> STATIC ELECTRICITY - An electrical charge that builds up due to friction between <br /> two objects that causes electrons to move from one to the other. <br /> SPARK A short electrical discharge between two conductors. <br /> TERMINAL - One of the ends of a battery <br /> VOLT - A unit of electrical pressure which measures the force or push of <br /> electricity. <br /> WATT - A unit of electrical power used to indicate the rate of energy produced or <br /> consumed by an electrical device. <br /> 5 <br />