Assignment 7. Translate the following sentences using the Participle.

1) Электрический мотор, преобразующий электрическую энергию в механическую, используется в повседневной жизни.

2) Говоря об электрическом токе, мы можем упомянуть имя Вольта.

3) Электрический пирометр измеряет температуру расплавленных металлов.

4) Работая в лаборатории, студенты также будут пользоваться некоторыми электрическими приборами.

5) Поработав на заводе, мой друг поступил в Университет.

6) Электрические приборы, упомянутые в этой статье, были созданы русскими учеными.

7) Измеряя температуру горячих металлов, студент пользовался пирометром.

8) Измерив температуру металла, мы начали измерять температуру воды.

Assignment 8. Answer the following questions:

1) When was the electric current born?

2) Who constructed the first source of continuous current?

3) What electrical devices do you use in your everyday life?

4) Can you do without electricity? In what cases can you do without electricity?

5) What can you say about the most important use of electric energy in industry?

6) What example illustrates an important industrial use of the electric current?

7) What device measures the temperature of hot flowing metals?

Assignment 9. Fill in the gaps with the words and expressions from the text.

1) In fact, telephones, lifts, electric trams and trains, radio and television have been made possible only owing to the … … .

2) It is well known that electric current is necessary for the … of trolley-buses, trams, buses and modern trains.

3) During the day the student will also use some … … working in the laboratory.

4) Some people are more familiar with the various … of the electric current in their everyday life than they are with its numerous industrial applications.

5) Take, for example, the electric motor … electric energy into … … .

6) A good example which is illustrating an important industrial use of the electric current is the electrically … … .

7) Speaking of the … metals, we might mention one more device using electricity, that is the … … .

Assignment 10. Find the wrong statements and correct them in several sentences.

1) It is impossible to measure the temperature of hot flowing metals.

2) The industrial application of the electric current contributes to the technological progress.

3) We use few electrical devices in our everyday life.

4) Modern civilization can do without the electric current.

5) The electric motor operates all electrical devices.

Assignment 11. Find the correct answer out of the three given below.

What device

1) measures the temperature of hot metals?

a) refrigerator, b) pyrometer, c) motor

2) transforms electrical energy into mechanical energy?

a) bicycle, b) telephone, c) motor

3) lifts objects weighing hundreds of tons?

a) electric crane, b) electric furnace, c) vacuum cleaner

4) lights your room?

a) a tram, b) a lift, c) a lamp.

Assignment 12. Speak on:

1) The use of the electric current in industry.

2) The use of the electric current in our everyday life.

UNIT TWO

Grammar: The Absolute Participle Construction

Assignment 1. Remember the following words and word-combinations:

ability heat kind position motion waterfall to raise to turn to produce above-mentioned to employ to generate source battery limited quantity rising to result in to increase need useful to decrease part solar directly to harness semiconductor

способность теплота вид, род положение, расположение движение водопад поднимать вращать(ся); превращать производить, создавать вышеупомянутый использовать, применять производить, генерировать источник батарея ограниченный количество возрастающий приводить к возрастать; увеличиваться; расти нужда; потребность полезный уменьшать(ся) часть солнечный прямо; непосредственно использовать энергию (воды, ветра, солнца) полупроводник

Assignment 2. Practice the pronunciation of the following words:

scientifically, various, mechanical, chemical, atomic, kind, potential, hydroelectric station, turbine, thus, other, above-mentioned, source, quantity, civilization, industry, industrial, however, decrease. increase, harness, semiconductor.

Assignment 3. Translate the words, their derivatives into Russian and learn them.

chemistry - chemist - chemical - chemically; to drive -drive - driver; to- employ - employment – employer - employee; to generate - generation - generator; to produce - produce - production - producer; industry - industrial.

Assignment 4. Translate the following sentences paying attention to the Absolute Participle Construction.

1) An object losing its potential energy, that energy is turned into kinetic energy.

2) Water falling from its raised position, energy is changed from potential into kinetic one.

3) My friend was reading an English article, his brother watching television.

4) Electrical devices find a wide application in every house, a refrigerator being one of them.

5) There being a hydroelectric station at the waterfall, the energy of the falling water is used to drive the turbines.

6) The energy sources of the world decreasing, the scientists must find new sources of energy.

7) There are different sources of energy, the sun being an unlimited source of all forms of energy.

8) Industrial applications of energy increasing, more and more energy is needed every year.