Five great inventions were chosen which seem to be commonplace nowadays. The presentation can be used to introduce the topic of Inventions in a colourful easy understandable manner.
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5_inventions_that_changed_the_world.ppt | 2.95 МБ |
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Inventors' Day is celebrated on 29 September László József Bíró A ballpoint pen , also known as a "biro" and "ball pen"Слайд 2
Paper
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Whee l The 1 st ever wheel was discovered 3000 years ago
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Penicillin Penicillium fungi Sir Alexander Fleming was a Scottish biologist and botanist . His best-known discovery is the antibiotic substance penicillin from the mould Penicillium notatum in 1928.
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Telephone Alexander Graham Bell was an eminent Scottish-born scientist, inventor, engineer and innovator who is credited with inventing the first practical telephone.
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Юрий Алексеевич Гагарин