11 form inventions and lifestyles
Dmitri Ivanovich Mendeleev ( 8 February 1834 to 2 February 1907 O.S. 27 January 1834 - 20 January 1907) was a Russian chemist and inventor.Interesting Dmitrti Mendeleev Facts:He was born near Tobolsk in SiberiaHe was thought to have been the youngest child of a large familyHis father was a teacher of fine arts but lost his job when he became blindin 1849 his mother took him to St Petersburg to his father's alma mater to continue his educationHe became a professor at the St Petersburg Technological Institute in 1864He received his Doctor of Science for his dissertation " on the Combinations of Water with Alcohol" in 1865He studied the composition of petroleum and help found the first oil refinery in Russia.In 1868 her wrote the two volume textbook Principles of Chemistry which classified the known elements according to their chemical propertiesMarch 6, 1869 Mendeleev made a formal presentation to the Russian Chemical Society entitled The Dependence between the Properties of the Atomic Weights of the ElementsHis understanding of the properties of elements based on their atomic weight and valence allowed him to accurately predict that new elements would be foundSome scientists dismissed this idea but Mendeleev was vindicated by the discovery of gallium in 1875 and germanium in 1875 which perfectly fit into the two missing spacesMendeleev is credited with introducing the metric system to RussiaMany things bear his name including, Mendelevium, a synthetic chemical element with the symbol Md and the atomic number 101Mendeleev is the name of a large lunar impact crater on the far side of the moon
Complete the text with the name of the corresponding invention and discovery:
The first … that was made for individual use was called Apple II, and it was launched in 1977 by Apple Computers. It was sealed in a plastic case: it had a keyboard, a video unit and removable floppy discs. It was sold for € 3800 in today’s money.
Match the word with their definition:
remarkable
Match the word with their definition:
to fasten
Match the word with their definition:
humanity
Complete the text with the name of the corresponding invention and discovery:
… was invented by a Scottish inventor John Logie Baird in 1926, and it was first demonstrated in Selfridges, a department store in London. It was built of old cans, bicycle parts, lenses, string and sealing wax.
Match if the following sentence is true or false.
The first personal computer was launched by Microsoft.
Choose the correct item. All the verbs in brackets are in the Past Simple Passive.
The first TV remote controls … (use) in the 1950s in the USA. One of the early models … (develop) in 1952, and it … (call) ‘Lazy Bones’.
Choose the correct item. All the verbs in brackets are in the Past Simple Passive.
In 1996 a sheep called ‘Dolly’ … (clone) by British scientists from a single cell that … (take) from a six-year-old female sheep.
Choose the correct item. All the verbs in brackets are in the Past Simple Passive.
Text messages … (use) in Asia and Europe before they became popular in the USA in the mid 2000s.
Choose the correct item. All the verbs in brackets are in the Past Simple Passive.
The Internet began in 1969 as The Arpanet data network, which … (establish) by the US Department of Defense and … (suppose) to link computer networks at several universities and research laboratories in the United States.
10. Don't bother them. They ____ an important conversation.
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