1. Russian scientist Yablochkov made a great contribution to the development of electrical science. 2. It was Yablochkov.who made practical experiments with electricity. 3. He created the principle of a transformer. 4. He found the first practical application of the electric arc. 5. Thanks to Lodygin great discovery, an electric lamp lights up our rooms. 6. Popov transmitted signals by means of electromagnetic waves. 7. He gave the world his great discovery radio. 8. Lebedev discovered and measured the pressure of light. 9. The photoelectric effect was among the numerous discoveries of the famous Russian scientist Stoletov. 10. It is impossible even to list here the great inventions and discoveries that our scientist made in various fields of science and engineering.
2 Answer the questions
1. Yablochkov made a great contribution to the development of electrical science, didnt he?
2.Who created the principle of a transformer?
3.Is Lodygin an inventor of an electric lamp?
4.Who was the first to transmit signals by means of electromagnetic waves?
5.Is it possible to list all great inventions and discoveries that our scientists made in various fields of science and engineering?
IX Homework 5 - X.Summarizing-
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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 The meaning of electricity. The nature of electricity. :
to recognize new words and expressions,
to understand their meaning and operate by them discussing the text;
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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 metals, 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.
o) .
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.modern 2.conception 3.constitution of matter 4.composed of 5.is made up of 6.a positive nucleus 7.surrounded 8. negative charges 9.revolve about 10.the nucleus 11. tremendous 12.speeds. 13. consists of 14.a number of 15. each 16. a single 17., except 18. hydrogen, 19. neutrons, .20. neutral 21. contains 22. equal numbers of 23. body. 24. fewer 25.normal number. 26. end 27.a conductor 28. connected to two points 29. different potentials, 30.such as 31.the terminals 32.an electric current 33.the conductor. 34.to produce. 35.are packed so closely 36.overlap to some extent, 37.comparatively easy 38.outer electrons 39. to pass 40.force 41.is applied 42. causes 43.the wire, 44. thus 45.move toward 46.the ease 47.electric circuit. | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16, 17 18 19 20 21 22 , 23 24 25 , 26 27 28 璺 29 30 31 32 33 34 35 36 , 37 38 39 40 41 42 43 44 45 46 47 |
