Top 10 inventions of all timesVersión en línea This video shows 10 important inventions. por Silvia Maldonado 1 Who invented paper? Select one or more answers a The Hun Dynasty in China b The Han Dynasty in China c The Hub Dynasty in China 2 When was paper invented? Select one or more answers a In the Second World War b In the Twentieth Century c In the Second Century BC 3 What did the compass make easier? Select one or more answers a Navigation b Traveling to Mars c The use of clocks 4 What is refrigeration for? Select one or more answers a Keeping food from getting spoiled and developing bacteria. b Keeping food from humans. c Keeping food hidden from animals. 5 Who invented and improved the press? Select one or more answers a The Chinese b Johannes Gutenberg c The English 6 How was this invention's revolution? Select one or more answers a From chamber pots to toilets. b From toilets to more advanced toilets. c From holes on the ground to chamber pots to outhouses and toilets. 7 Who discovered medicine by accident? Select one or more answers a Alexander River b Alexander Fleming c Alexander Falafel 8 How did people use to travel before the engine was invented? Select one or more answers a Trains b Horses c Cars 9 What is the wheel used for? Select one or more answers a Waterwheels, gears, motors, engines, and more. b Fridges, trains, steam engines. c Cars and other vehicles. 10 When was radio developed and by who? Select one or more answers a Samuel Morse in 1836. b Guglielmo Marconi and Nikola Tesla in the late 19th century. c Alexander Graham in 1876. 11 What inventors contributed to the modernization of electricity? Select one or more answers a Ben Franklin, Nikola Tesla, Michael Foraday, Thomas Alba Edison. b Ben Franklin, Nikola Tesla, Michael Foraday, and Samuel Morse. c Samuel Morse and Nikola Tesla. 12 Which is the best invention for you? Written answer
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