A doorbell uses which switch?, Press Switch, Slide Switch, Switch in 'OFF' position means electricity..., Runs faster, Stops, Who discovered that electricity can move things?, Michael Faraday, Thomas Alva Edison, How long ago was Faraday's discovery?, 20 years ago, Over 200 years ago, Switch in 'ON' position means electricity..., Flows, Stops, What is a switch?, An eating tool, Electricity control device (ON/OFF), what is the name of the switch in this picture?, Slide Switch, Water Switch, Where do we usually see a Rocker Switch?, on a bicycle, Light switch at home, A 'Discovery' means finding something that..., Already exixted before, Was bought at a mall, Switches make our life..., Difficult, Easy & Useful, Calculators have many buttons. These are..., small press switches, Big Rocker Switches, Small toy fans often use..., Rocker Switch, Slide Switch, An 'Invention' means.., New thing created by humans, An old object, This is a Rocker Switch. How does it move?D, Spins like a wheel, Rocks back and forth, What is a famous invention by Thomas Alva Edison?, Light bulb, Television, Before the light bulb, people used..., Flashlight, Candles

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