Five inventions that changed the world, Power Point presentation to Unit 7, testbook by Kuzovlev

Опубликовано Dubrovskaya Irina Vasilevna вкл 25.10.2015 - 19:42
Dubrovskaya Irina Vasilevna
Автор: 
11th form pupil, Azman V.

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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Подписи к слайдам:

Слайд 1

Inventors' Day is celebrated on 29 September László József Bíró A ballpoint pen , also known as a "biro" and "ball pen"

Слайд 2

Paper

Слайд 3

Whee l The 1 st ever wheel was discovered 3000 years ago

Слайд 4

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.

Слайд 5

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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