Thomas Edison (43) .... two thousand different materials in search of a proper filament for the light (44) .... His assistant complained, "All our work is useless." Edison replied (45) ..., " Oh we have come a long way and we have learned a lot. We know that there are two thousand elements which we cannot use to make a good light bulb." 45. ....

In 1854, Louis Pasteur was appointed professor of chemistry at the University of Lille. He demonstrated that organism such as bacteria were responsible for souring wine, beer even milk. He then invent...

Picasso was one of the most outstanding and important artists of the 1900’s. He is best known for his paintings. Almost every style in modern art is represented in Picasso's works. Picasso was born...

For question 43 to 45, complete the text with the correct word. Ki Hajar Dewantara is named as Bapak Pendidikan Indonesia because of his brilliant ideas in Indonesian educattion. Although he was (4...

Marie Curie was born in Poland in 1867. She was the only person who gained two Nobel prizes at that time. She achieved one on physics and one on chemistry. She was born as Marie Sklodowska, the daught...

This text is for the following questions 27 to 30 Charles Robert Darwin was an English scientist, who proposed and provided evidence for the scientific theory that all species have evolved through ...