Shut the right side and translate from native language into Englis
8.3.7.. Finish sentences: 1.There are two types of electricity, namely.2.Both of them are made up of3. For a long time it was the only. 4. They differ in their ability to serve 5. The electricity to be obtained by rubbing 6 As a result he was the first scientist in...7. 17 Galvani observed that the legs 8 He thought that electricity was. 9. However, to carry on such experiments 10.He tried his experiment several times and 11 He spent the next few years trying to invent.12.To increase the effect obtained with one pair 13. 25 A wire was connected to the first d14. The year 1800 is a date to be remembered: for the first time
8.3.8. Answer the questions: 1. What types of electricity do you know? 2. What is the difference between electricity at rest and electricity Sn motion? 3. What kind of experiments did Galvani carry on? 4. What did Franklin prove? 5. What are the two kinds of electrical charges? 6. Who was the first to produce a continuous current? 7. What was Volta? 8. What can you say about the behaviour of static charges? 9. What did Volta take interest in? 10. What did Volta's discovery result in? 11/ What did Volta's device consist of? 12. Where did he spend the rest of his life?
Match the sides
| FROM THE HISTORY OF ELECTRICITY 1. There are two types of electricity, namely, electricity at rest or in a static condition and electricity in motion, that is, the electric current. 2. Both of them are made up of electric charges, static charges being at rest, while electric current flows and does work.3. Thus, they differ in their ability to serve mankind as well as in their behaviour. 4.. Let us first turn our attention to static electricity. 5. For a long time it was the only electrical phenomenon to be observed by man. 6. As previously mentioned at least 2,500 years ago, or so, the (keeks knew how to get electricity by rubbing substances. 7. However, the electricity to be obtained by rubbing objects cannot be used to light lamps, to boil water, to run electric trains, and so on. 8. It is usually very high in voltage and difficult to control, besides it discharges in no time. 9. As early as 1753, Franklin made an important contribution to the science of electricity. 10. He was the first to prove that unlike charges are produced due to rubbing dissimilar objects. 11. To show that the charges are unlike and opposite, he decided to call the charge on the rubber negative and that on the glass - positive. 12 In this connectionone might remember the Russian academician V. V. Petrov.13 He was the first to carry on experiments and observations on the electrification of metals by rubbing them one against another. 14As a result he was the first scientist in the world who solved that problem. 15 Who does not know that the first man to get the electrio current was Volta after whomthe unit of electric pressure, the volt, was named? 16 His discovery developed out of Galvani's experiments with the frog.17 Galvani observed that the legs of a dead frog jumped as a result of an electric charge.18 He tried his experiment several times and every time he obtained the same result.19 He thought that electricity was generated within the leg itself. 20 Volta began to carry on similar experiments and soon found that the electric source was not within the frog's leg but was the result of the contact of both dissimilarmetals used during his observations.21 However, to carry on such experiments was not an easy thingto do. 22 He spent the next few years trying to invent a source of continuous current. 23 To increase the effect obtained with one pair of metals, Volta increased the number of these pairs. 24 Thus the voltaic pile consisted of a copper layer and a layer of zinc placed one above another with a layer of flannel moistened in salt water betweenthem. 25 A wire was connected to the first disc of copper and to the last disc of zinc. 26.The year 1800 is a date to be remembered: for the first time in the world's history a continuous current was generated. 27.Volta's Short Biography. Volta was born in Como, Italy, onFebruary 18, 1745. 28. For some years he was a teacher of physics in his home town.29. Later on he became professor of natural sciences at the University of Pavia.30. After his famous discovery he travelled in many countries, among them France, Germany and England31. He was invited to Paris to deliver lectures on the newly discovered chemical source of continuous current .32 In 1819he returned to Como where he spent the rest of his life.33. Volta died at the age of 82. | в 1 г 1800 , ': 2 , , . 3 1819 , .33. 82 . 4 . 5 ³ , . 6 ³ . 7 . , , 18 1745 8 , 9 . 10 ϳ , , ͳ . 11 , . 12 ϳ ⳿. 13 , , , 14 82 . 15 ³ , , ' 16 , 17 ' .. 18 19 , . 20 , 21 , , , , . 22 , , , , , ? 23 ³ , . 24 , 25 , , , . 26 ³ 27 , , , . 28 ³ , . 29 2 500 , , , . 30 1753, . 31 , 32 , . 33 , , ', , ' , , .. |
X. Summarizing XI. Homework- read and translate. Know the word
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| FROM THE HISTORY OF ELECTRICITY 1. There are two types of electricity, namely, electricity at rest or in a static condition and electricity in motion, that is, the electric current. 2. Both of them are made up of electric charges, static charges being at rest, while electric current flows and does work.3. Thus, they differ in their ability to serve mankind as well as in their behaviour. 4.. Let us first turn our attention to static electricity. 5. For a long time it was the only electrical phenomenon to be observed by man. 6. As previously mentioned at least 2,500 years ago, or so, the (keeks knew how to get electricity by rubbing substances. 7. However, the electricity to be obtained by rubbing objects cannot be used to light lamps, to boil water, to run electric trains, and so on. 8. It is usually very high in voltage and difficult to control, besides it discharges in no time. 9. As early as 1753, Franklin made an important contribution to the science of electricity. 10. He was the first to prove that unlike charges are produced due to rubbing dissimilar objects. 11. To show that the charges are unlike and opposite, he decided to call the charge on the rubber negative and that on the glass - positive. 12 In this connectionone might remember the Russian academician V. V. Petrov.13 He was the first to carry on experiments and observations on the electrification of metals by rubbing them one against another. 14As a result he was the first scientist in the world who solved that problem. 15 Who does not know that the first man to get the electrio current was Volta after whomthe unit of electric pressure, the volt, was named? 16 His discovery developed out of Galvani's experiments with the frog.17 Galvani observed that the legs of a dead frog jumped as a result of an electric charge.18 He tried his experiment several times and every time he obtained the same result.19 He thought that electricity was generated within the leg itself. 20 Volta began to carry on similar experiments and soon found that the electric source was not within the frog's leg but was the result of the contact of both dissimilarmetals used during his observations.21 However, to carry on such experiments was not an easy thingto do. 22 He spent the next few years trying to invent a source of continuous current. 23 To increase the effect obtained with one pair of metals, Volta increased the number of these pairs. 24 Thus the voltaic pile consisted of a copper layer and a layer of zinc placed one above another with a layer of flannel moistened in salt water betweenthem. 25 A wire was connected to the first disc of copper and to the last disc of zinc. 26.The year 1800 is a date to be remembered: for the first time in the world's history a continuous current was generated. 27.Volta's Short Biography. Volta was born in Como, Italy, onFebruary 18, 1745. 28. For some years he was a teacher of physics in his home town.29. Later on he became professor of natural sciences at the University of Pavia.30. After his famous discovery he travelled in many countries, among them France, Germany and England.31. He was invited to Paris to deliver lectures on the newly discovered chemical source of continuous current .32 In 1819he returned to Como where he spent the rest of his life.33. Volta died at the age of 82. | 1. C , , , , . 2. , , , .3. , . 4. , .5. , .6. 2 500 , , , . 7., , , , , , .8 , . 9 1753, .10 , , .11 , , , -. 12. ... 13 , , 14. , . 15 , , , , , ? 16 . 17 , . 18 19. , . 20 , , , .21. , .22 , . 23. , , . 24, , , . 25 .26. 1800 , : . 27. . , ,18 1745.28. .29. . 30. , , .31. , . 32 1819 , .33. 82 |
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I. :.
Who is on duty today?
Who is absent?
What date is today?
What day of week is today?
II. :
Todays topic is Electric current
By the end of the lesson you should be able:
to recognize new words and expressions,
to understand their meaning and operate by them discussing the text;
to identify main ideas and details from the text;
to participate in common conversational exchanges on the topic of today's lesson.
III. :
The knowledge of this topic will increase your outlook and knowledge of some interesting facts about electrical current, their place in the life, as future specialists you must be well-educated, cultured people. This information will help you in your future profession
IV. .
Grammar tests:
V) :
Watch the short video. Try to understand and answer the questions
VI) O :
I'll check your homework.
j) .
VII.
VIII.
1 Introduction with a new words
2 Exercises
3. Introduction with a new topic
4 Exercises
5. Reading the text
IX Homework
X.Summarizing
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Read and remember
| 1.flow 2.direction 3.current 4.is known 5.d. c. that is. direct current. 6.The simplest source 7.power 8.negatively charged terminal 9.the letters 10.. stand for 11.a. c--- alternating current 12.use 13. lightning 14.purposes 15.go through 16.apply 17.continuous current 18.construct 19.we cannot imagine 20.is familiar with 21.used 22.devices 23.vacuum cleaners, 24.refrigerators 25.washing machines 26.trains 27.owing 28.numerous 29. application. 30.only | 1nb 2 3 4 5. d. c.- 6 7 8 9 10 11 12, 13 14 15 16 17 18 19 20 21 22 23 24 25 26. 27 28 29 30. |
