Who invented a coil that was mainly used in radios, television sets and other electronic equipment?
Nikola Tesla (Tesla coil)
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15
What were scientists able to do with Volta's electric battery? (Make entire cities run on electric power, Produce steady flows of electric current for the first time, make clones of animals, make devices run on electricity)?
Scientists were able to produce steady flows of electric current for the first time.
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heart
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gold
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fairy
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thief
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15
Fill in the blanks: William Gilbert discovered that the Earth has two magnetic ___________.
Poles
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15
What was Alessandro Volta's family concerned about when Volta was little?
He showed no signs of talking until the age of 4 and his family was afraid that he was not intelligent.
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15
True or False: Nikola Tesla was from America and built the first DC motor.
False. Tesla was from Croatia and he built the first AC motor.
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True or False: William Gilbert showed that static electricity can pick up heavy objects, but magnets cannot.
False. Magnets can pick up heavy objects and static electricity cannot.
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lifesaver
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star
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rocket
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thief
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What did Thomas Edison invent? (The wheel, the light bulb and the phonograph, the simple machine, or electric current?)
Edison invented the light bulb and the phonograph.
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15
Michael Faraday discovered that electricity can act as a _(light, magnet, conductor, force)______
magnet
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Who invented the first motor? (Alessandro Volta, Thomas Edison, Michael Faraday, or William GIlbert?)
Michael Faraday
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15
True or False - Thomas Edison invented the vegetable cutter, the pencil sharpener and the computer.
False, Edison invented the light bulb, the phonograph and the motion picture.
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baam
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magnet
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fairy
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baam
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15
Who showed that electricity can be sent without wires? (Faraday, Tesla, Edison or Gilbert?)
Nikola Tesla
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15
What invention was Alessandro Volta known for? (Electric car, light bulb, electric battery, or electric shock?)
Electric battery
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True or False? Faraday discovered that if electricity strikes a metal object, it will only pass through the outside of the object.
