Тема 8. Керамічні вироби

Мета: удосконалювати навички студентів правильно використовувати нову професійну лексику; розвивати логічне мислення; виховувати культуру мовлення. Удосконалювати знання з будови слова і застосування їх на практиці.

Обладнання: малюнки до теми, роздруківки текстів для читання та завдань, словники.

Час проведення: 2 год.

План заняття

І Організаційний момент. Привітання

Ex. 1. Pronounce the following words:

ceramics non-metallic

natural matrix

variety primarily

strength covalent comparatively particularly

vacancies

durable neighbour

surprising ionize

pottery resistant

lustrous silicon

ruby aluminium

refractory giant lining

Ex.2 Перекладіть речення.

1. The reaction of carbon with oxygen is highly exothermic. 2. Up to now chemistry has largely been a matter of taking natural products of the earth and converting them to man's uses. 3. This element exists in two readily recognizable modifications: crystalline silicon and amorphous silicon. 4. Mercury oxide can be readily decomposed by heat. 5. There are many reactions which proceed readily, some even violently, if a trace of water is present. 6. For nearly two thousand years it was believed that all heavy objects fell faster than light ones. 7. One of the properties common to nearly all nuclear radiations are particles in their ability to ionize. 8. Hydrogen readily combines with fluorine and chlorine, 9. In many cases mixtures and compounds are not so readily distinguished. 10. There is hardly any living substance in nature which does not consist of compounds containing oxygen.

Ex. 3. Вставте слова"to find" or "to find out" згідно зразка:

Model: 1. At last he found the article about the new methods of production of some synthetic products,

2. He carried a number of experiments as he wanted to find out the composition of this new substance.

1. After many years of hard work the scientist , . , a new method of purifying water. 2. I should like . . . where this scientist will make his report about the refining of petroleum-3. This material . . . wide application everywhere. 4. If you like ... about his new investigations in the field of me tallurgy, you had better speak to him. 5. Have you . . , what the term "chemical durability" means?

Ex. 4 Перекладіть речення.

1. This is the very material we need in our experiment. 2. At the very end the text was very difficult. 3. The very first step in applying the scientific method is to obtain some facts by observation and experiment. 4. He knows the subject very well as he works very hard. 5. In the very nature glass is brittle. 6. This is the very man who can help you.

Ex. 5. Перекладіть речення.

1. These investigations provided new methods of detecting very minute quantities. 2. Provided the temperature is kept constant the volume of a given amount of gas is inversely proportional to its pressure and directly proportional to its ab­solute temperature. 3. The steel may be provided with the desired degree of hardness. 4. The laboratory is provided with gas and running water. 5. The expedition was provided with food for many days. 6. Provided the relative pressure of water is higher in the atmosphere (surroundings), vapour will condensate.

Ex. 6 Перекладіть словосполучення

main industrial products; mainly in industry; chemists are interested in this method; a very interesting new method; primarily ionic; is of prime importance; the very substance; a very good substance; by means of; the means of; nearly all the substances; near the limit.

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