Good afternoon students. Im glad to see you. Have your seats please. Lets start our lesson. Look at these words. Lets put the letters in the right order in each word, translate the words and guess the theme of our lesson.
Photenele (telephone), letephgra (telegraph), tecompur (computer), laers (laser), thertermemo (thermometer).
All these things are science inventions. So, today well speak about different inventions of scientists.
2) Групповая работа с текстами по теме.
Lets divide into groups. Each group should read the texts about some inventions, understand the main idea and then answer the questions another group will be asking. The first group will read about telegraph, telephone and computer, the second group - about laser, artificial heart and keyhole surgery and the third group - about solar-powered lamps and sun-powered cars.
I give you ten minutes to look through the texts. Pay attention to the words, please. I also give you cards with questions you are to ask another group.
So, now the second group will ask the first group some questions about their texts.
Telegraph.
1) Who is Benjamin Franklin? ( Benjamin Franklin is an American, famous for his useful inventions, published his ideas about electricity in 1752. )
2) The answer to what question did many scientists want to find? (They wanted to find the answer to the question: could the electricity be used to develop a fast system of long-distance communication?)
3) How could electricity be used to send a message? (A Danish scientist discovered that electricity could move a needle from left to right and that the needle could be pointed at letters on a piece of paper. )
4) What happened in 1837? (In 1837 two English scientists sent a message by
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