презентация на тему "Изобретатели"

Слайд 1

Слайд 2

Dmitry Mendeleev (1834-1907) Dmitri Ivanovich Mendeleev was born on 8 February 1834 near Tobolsk. He was a Russian inventor and chemist. The most famous invention of Mendeleev is periodic table of elements.

Слайд 3

Alexander Graham Bell (1847-1922) Born on March 3, 1847 in Edinburgh (Scotland). In 1876 Alexander Graham Bell first demonstrated his device at the Philadelphia World's Fair the first word that sounded this speaker wire - is the word "phone

Слайд 4

Marie Curie (1867 –1934) In the summer of 1898, in the "Proceedings of the Academy of Sciences", an article appeared Marie and Pierre on the opening of a new element, which was named in honor of the homeland Sklodowska "full". In December of that year, the Curies shared with J. Bemonom published an article about the opening of the second new element - radium.

Слайд 5

Albert Einstein(1879—1955) In 1916, work was completed on Albert Einstein's general theory of relativity. She received another name - the theory of gravity.