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7. Decide whether the following statements are true or false according to the text.

1) One of the most significant factors for comfort is suitable indoor temperature.

2) For a long time the art of building a house was believed to be so simple that it did not require scientific study.

3) Making a fire is considered to be people’s first attempt to create artificial heating.

4) We can say that the Romans contributed to the invention of under floor heating systems.

5) The Romans built flues in the walls to avoid accumulation of soot.

6) Hot water boilers were replaced by the warm air furnace in 1790.

7) At the end of the 19th century the introduction of radiators accelerated circulation of hot water.

8) The “era” of radiant heating came in XXth century.

8. Answer the following questions.

  1. What was the first attempt to create heating?

  2. What did the Romans invent?

  3. What did they use to avoid accumulation of soot?

  4. What did they do to conduct the gases into the atmosphere?

  5. Where and when was the first heating system of pipes installed?

  6. When were the first radiators used?

  7. When did the “era” of radiant heating come?

  8. What do you know about modern principles of heating systems?

9. Write a summary of Text 1.

10. Find out additional information on the topic and make a presentation or a report in your group.

LANGUAGE FOCUS

11. Translate the following words and phrases into English using the vocabulary of the text.

  1. температура, подходящая для помещения - …

  2. следующая стадия эволюции - …

  3. ускоренная циркуляция - …

  4. по сравнению с. - …

  5. первая попытка в создании удобства - …

  6. на коммерческой основе - …

  7. теория, лежащая в основе - …

  8. во многом способствовали - …

  9. скопление сажи - …

  10. заслуживать изучения – …

12. Find antonyms to the following words in the text.

1) convenience - …

6) rough - …

2) insignificant - …

7) to meet - …

3) difficult - …

8) previous - …

4) last - …

9) to raise - …

5) to destroy - …

10) inefficient – …

13. Form the nouns from the following verbs.

to discover →…

to decorate →…

to create →…

to accumulate →…

to develop →…

to boil →…

to construct →…

to introduce →…

to invent →…

to accelerate →…

14. Read the following text and translate the words in brackets. Think of the title for it.

The question of (обеспечения), by artificial means the necessary heat to keep our bodies in comfort has undoubtedly occupied the minds of human beings all (на протяжении веков). In the beginning man relied on (излучение) from the sun as do the animals. No doubt he was sheltered in caves and mud huts during very cold weather, clothing himself with the skins of animals which he killed and in this way, (предохраняя) his body from losing too much heat.

Then followed the (открытие) of making a fire, which was man’s first attempt at (искусственный обогрев). This, (несомненно), was first performed in the open air, but later in caves or other (закрытых помещениях) in which he lived and so provided it with artificial heat. The (дым) and vitiated air had to find a way out. Later, an opening was formed in the (крыше) or side of the enclosure through which the smoke could escape. Then the idea came to the minds of these primitive men to form a hood for collecting the smoke and eventually, a (труба, дымоход) was formed for conveying the smoke and creating a draft to draw away the smoke and gases. Our present open fireplaces and chimneys are heirlooms coming down from these age-old methods.

GRAMMAR FOCUS

15. Make all types of questions to the underlined sentence in exercise 14.

ACTIVE VOCABULARY

16. Give Russian equivalents of the following words and phrases. Try to memorize them.

Nouns and noun phrases

transfer

gap

insulator

conduction

radiation

ion

convection

Verbs and verbal phrases

to absorb

to vibrate

to expand

to charge

to collide

to reflect

Adjective Adverbs

dense

continually

READING TASK: Text 2

17. Answer the following question and read the text below to check your answer.

Do you remember the ways of heat transfer from the course of physics?