1 Columbus the Atlantic Ocean
in the 15th century. (invade/cross/change)
2 People
gold in South Africa
hundreds of years ago. (discover/invent/
invade)
3 The Romans
different countries
in Europe. (invent/invade /travel)
4 László Bíró
the ballpoint pen.
(discover/change/invent)
5 Norma Jean Baker
her name to
Marilyn Monroe. (invent/change/cross)
6 My grandparents
(travel/
invade/like) to India last year.
TOTAL: 20 POINTS
Leonardo. Master Leonardo belonged to the type of the Italian Renaissance artists (Uccello, Ghiberti, and others.), Who believed that the painting technique should be based on scientific principles. This provision has been the basic principle of Leonardo's lifetime. The quest for scientific knowledge of nature made Leonardo attracted to men of science of his time. It was close to such a great scientist as Toscanelli.
Leonardo learned a lot from communicating with the great mathematician Paolo del Abaco. By the math, he had a special respect in general. He believed that "no credibility there in the sciences, where you can not make any of the mathematical sciences, and that has no connection with the math." At the time, many scientists mathematics was a means of escape from the contradictions between the experience and the weakness of science.
Mathematics used them to construct abstract idealistic schemes. Leonardo da Vinci saw in mathematics a powerful tool for analysis and synthesis of the data of experience. Leonardo asserted. "He is fond of practice without science - like a pilot, stepping on a ship without a rudder or compass" And further: "Always practice should be erected on a good theory." At the same time, he argued: "Many would consider itself entitled to reproach me, pointing out that my evidence