History of Electricity

Go back in time and meet a few of the people who made important discoveries in the history of electricity. While you’re reading, find the jumbled word in each paragraph and see if you can unscramble it.

James Watt (1736-1819)

James Watt was a Scottish inventor who made improvements to the steam engine during the late 1700s. Soon, factories and mining companies began to use Watt’s new- and- improved steam engine for their machinery. This helped jumpstart the Industrial Revolution, a period in the early 1800s that saw many new machines invented and an increase in the number of factories. After his death, Watt’s name was used to describe the electrical unit of wrepo.

Alessandro Volta (1745-1827)

Using zinc, copper and cardboard, this Italian professor invented the first treabty. Volta’s treabty produced a reliable, steady current of electricity. The unit of voltage is now named after Volta.

André-Marie Ampère (1775-1836)

André-Marie Ampère, a French physicist and science teacher, played a big role in discovering electromagnetism. He also helped describe a way to measure the flow of electricity. The ampere, which is the unit for measuring electric rrncetu, was named in honour of him.

Georg Ohm (1787-1854)

German physicist and teacher Georg Ohm researched the relationship between voltage, current and resistance. In 1827, he proved that the amount of electrical current that can flow through a substance depends on its starsincee to electrical flow. This is known as Ohm’s Law.

Michael Faraday (1791-1867)

Michael Faraday, a British physicist and chemist, was the first person to discover that moving a gtneam near a coil of copper wire produced an electric current in the wire.

Henry Woodward
(exact birth and death unknown)

Henry Woodward, a Canadian medical student, played a major role in developing the electric light bulb. In 1874, Woodward and a colleague named Mathew Evans placed a thin metal rod inside a glass bulb. They forced the air out of the bulb and replaced it with a gas called nitrogen. The rod wgelod when an electric current passed through it, creating the first electric lamp. Unfortunately, Woodward and Evans couldn’t afford to develop their idea further. So in 1889, they sold their patent to Thomas Edison.

Thomas Edison (1847-1931)

American inventor Thomas Edison purchased Henry Woodward’s patent and began to work on improving the idea. He attached wires to a thin strand of paper, or filament, inside a glass globe. The filament began to glow, which generated some light. This became the first incandescent ghilt ubbl. A thin, iron wire later replaced the paper filament.