Fill in the Blanks E1TPR_04_Electricity_Unit termsOnline version Complete the text using electrical vocabulary by Francisco Mateos 1 electrics charging Metals electricity battery electrons excess electron sparks 2 1 . In Thale's language amber ( fossilized tree resin ) was called . 2 . The name that was given ( by William Gilbert ) to those materials which displayed the same attractive properties of amber was . 3 . Sir Thomas Browne coined the word to express the property that some materials have to attract others after rubbing them . 4 . Which two substances did Charles Du Fay find he was unable to turn into electrics ? and fluids . 5 . How many groups of electrics did Du Fay find in his experiments ? . 6 . Benjamin Franklin , keen on mischievous pranks , liked to electrify devices to produce large . 7 . He likened ( compared ) the act of electrifying and de - electrifying a device to and discharging weapon . 8 . Franklin proposed the idea that an electric discharges sparks like a military vessel fires it's canyons . 9 . When Benjamin Franklin said an object was " positively charged " he meant that it had an of electrical fluid . 10 . Thanks to J . J . Thomson we know that what Franklin called electric fluid is indeed the flow of small particles called .
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