cutting and collecting
the grass
A camera
A telephone
A typewriter
A calculator is for ……
A talking alarm clock
A dishwasher
A microwave oven
To wake up people/ to cook food/ to carry calculations/
to tell the time/to type information/ to wash dishes/ to take photographs/
to receive and make calls
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Презентация, доклад по темеОткрытия русских учёных
Содержание
- 1. Презентация по темеОткрытия русских учёных
- 2. What were these inventions? What other inventions
- 3. Ivan Kulibin. In 1779 the Russian
- 4. V. Petrov.On November 23, 1802, Russian scientist
- 5. Alexander Lodygin.A young Russian engineer, Alexander Lodygin
- 6. Mendeleyev, TsiolkovskyIn 1875 Mendeleev put forward the
- 7. MozhaiskyIn 1878 Mozhaisky designed the first aero
- 8. The Cherepanovs.In 1814 George Stephenson invented the
What were these inventions? What other inventions were made along the same line within that period of time?GREAT INVENTIONS HAVE BEEN MADE BY RUSSIAN SCIENTISTS AND ENGINEERS
Слайд 2What were these inventions? What other inventions were made along the
same line within that period of time?
GREAT INVENTIONS
HAVE BEEN MADE BY RUSSIAN
SCIENTISTS AND ENGINEERS
Слайд 3
Ivan Kulibin.
In 1779 the Russian inventor Ivan Kulibin made a lamp
that produced a very bright light. In 1783 the Swiss physicist Argand added the glass chimney(ламповое стекло) to the lamp.
Who was … invented by?
• In what country was …… invented?
• When was …… invented?
Слайд 4V. Petrov.
On November 23, 1802, Russian scientist V.Petrov discovered the electric
arc(дуга). But his discovery remained unknown in the West. In 1811Humphry Davy, the British scientist, discovered the arc again and called it the voltaic arc.
Who was … invented by?
• In what country was … invented?
• When was …… invented?
Слайд 5Alexander Lodygin.
A young Russian engineer, Alexander Lodygin made the first successful
light bulb (лампочка) in 1873. In 1877 Thomas Edison learnt about the lamp, improved and later patented it.
Who was ……… invented by?
• In what country was invented?
• When was ……… invented?
Слайд 6Mendeleyev, Tsiolkovsky
In 1875 Mendeleev put forward the idea of building a
high-altitude balloon (стратостат). Shortly afterwards, in 1886, Tsiolkovsky designed an all-metal dirigible.
Слайд 7Mozhaisky
In 1878 Mozhaisky designed the first aero plane. The aircraft was
tested on August 1, 1882. It was only in 1903 that two Americans Orville and Wilbur Wright built an aero plane like Mozhaisky’s.
Слайд 8The Cherepanovs.
In 1814 George Stephenson invented the steam locomotive. In 1829
in Russia the Cherepanovs, father and son, invented and build a steam locomotive better than George Stephenson’s.
