Vocabulary

clothing – одяг fur – хутро leather – шкіра wool – вовна cotton – бавовна protein – протеїн fragility – ламкість

adhesive – липкий moisture – вологість precipitate – осаджувати feeble – слабкий intricacy – складність cheap - дешевий

Exercises

1. Answer the questions

1. What does life depends on?

2. Why does life depend upon organic polymers?

3. What is the list of materials needed for life?

4. What do organic polymers include?

5. What have modern methods of physical and chemical analyses uncovered?

6. What products appeared on the basis of the discovery of polymers?

7. What properties possess synthetic polymers?

8. What are the molecules of polymers composed of?

2. Find the pairs of synonyms:

to provide, due to, lately, to supply, because of, recently, artificial, a lot of,

man- made, many, to learn, for example, to find out, for instance, various,

different.

3. Find the pairs of antonyms:

natural, long, artificial, short, involve, appear, modern, evolve, heavy,

disappear, old, light, cheap, expensive.

4. Choose the Ukrainian equivalents from the right column:

principal products перелік

structural material спирт

instrument апарат

list домінувати

apparatus метод, засіб

to dominate будівельний матеріал

technique основні продукти

alcohol обладнання

5. Translate the sentences

1. This investigation provided new methods for creating new synthetic materials. 2. Provided this synthetic fiber is cheap, it will be widely used in the manufacture of many products. 3. Our industry needs more and more new materials which can resist corrosion and high temperatures. 4. The need for cheap, good and beautiful materials is growing fast. 5. Phenol and acetone are needed for manufacture of plastics. 6. New products of organic chemistry are widely used. 7. The use f this new type of polymers helps to develop new machines for the investigation of cosmic space. 8. If you listed all the properties of these new materials, you would understand their importance both in our everyday life and in research. 9. The lists with all necessary equipment have been already sent. 10. Ceramic products are known to cover a wide range of things from small ones to big constructions. 11. Semiconductor is a material whose conductivity ranges between that of conductors and non-conductors.