Orange County NC Website
DocuSign Envelope ID:8COC6AOF-56EE-46F5-A733-01 0A357A1 EFA <br /> HP-3TORICAL TIMELINE <br /> WHEN I WHO -1-WHERE-1 WHAT <br /> ???? Sioux Canada People believed that rain and thunder were <br /> Indians U.S.A caused by Wakinyan Tanka, the Great € <br /> j Thunderbird <br /> I <br /> Norse people Scandinavia i <br /> Iceland Thor, God of Thunder i <br /> Aztecs Mexico Worship of the rain god, Tlaloc, He Who <br /> . _.�__ <br /> Cen America Makes Things Sprout <br /> X2700 BC Egypt Referred to electric fish as the "Thunderer f <br /> of the Nile" <br /> N2500 BC Greeks Greece Greek mythology attributes lightening to <br /> the god Zeus, head of the Greek pantheon <br /> N2000 BC I Magnus I Northern A shepherd discovered the magnetic <br /> Greece attraction of magnetite. u <br /> -600 BC Thales of Miletus Greece Thales is considered the father of scientific <br /> Inquiry because he recorded his <br /> _ observations of static yelectricity <br /> w s <br /> 300 BC Huang ti China Huang ti, a Chinese general supposedly <br /> made the first compass using lodestone-11 <br /> -1200 Chinese China Chinese sailors used lodestone as <br /> compasses for their ships i <br /> .. _ <br /> N1350 Arabs ! Middle East Arabic word for lightning (raad) applied to <br /> the electric ray. _y <br /> N1600 Dr, William England Dr. Gilbert ublished "De Ma nete" which i <br /> P 9 <br /> Gilbert distinguished between electrical and <br /> magnetic attraction and suggested that w <br /> Earth <br /> M1670 Otto von Germany He invented the first electrostatic generator <br /> Guericke using friction to make a spark and created <br /> W the first vacuum. <br /> 1705 Francis Hauksbee England Modified the electrostatic generator by <br /> putting mercury inside. It created a blue k <br /> spark that had never been seen before. _ <br /> -1720 1 Stephen Gray � I England He discovered that electricity could flow like <br /> a current. He also identified substances as <br /> g conductors and insulators, _F <br /> 1733 Charles du Fay France Discovered that electricity has a positive I <br /> and negative charge and that opposites <br /> attract. ___ <br /> 1745 Masschenbroek . Holland Invented the Leyden jar to store an electric mLL <br /> charge. <br /> von Kleist Germany <br /> 1752 Benjamin Philadelphia Kite experiment to show that lightening is a i <br /> Franklin U.S.A. form of static electricity. He also invented <br /> the lightening rod. _ <br /> 1791 Luigi Galvoni Italy He experimented with a frog to develop his <br /> Ideas on bioelectricity. _ _ I <br />