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6. Match the words from the text to their synonyms:

1) alliance

a) drink

1)

2) beneficial

b) priceless

2)

3) discover

c) avert

3)

4) invaluable

d) dangerous

4)

5) prevent

e) evolve

5)

6) develop

f) find

6)

7) hazardous

g) advantageous

7)

8) beverage

h) league

8)

7. Translate the following sentences paying attention to the Objective and Subjective Infinitive Constructions:

1. We know the electric current to flow in metal parts.

2. We have learned air to be composed of many gases.

3. In the chemical plant we saw solid raw materials go from the stock pile to crushers and screens.

4. We know electric current to be surrounded by a magnetic field.

5. Science has shown the electron to be a peculiar combination of mass and electric charge.

6. We heard geophysicists do prospecting by means of radio instruments.

7. We know from astronomy Mara to have two moons.

8. Historians suppose the name "London" to have come from two Celtic words.

9. The word "geometry" is known to come from two Greek words – "geo" (earth) and "metron" (measure).

10. The Egyptians seem to be the first to apply geometry for practical purposes.

11. The civilisation of ancient Egypt is said to be more advanced than that of ancient China.

12. Cosmic rays have been found to belong to two energy-groups.

13. The basis of our modern civilization is known to lie in the use of machinery.

14. Air under normal conditions has been found to certain few ions.

15. The density of water may be considered to remain constant even at great depths.

8. Pick up the key words from the text “Chemical engineering and chemistry”. Make up your own sentences with them.

9. Write an abstract to the text “Chemical engineering and chemistry”.

10. Get ready for presenting the topic “Chemical engineering and chemistry” at the conference ”Innovations in Science and Engineering” based on questions of Task 4.

LESSON 2

1. Read and memorize the following words:

to sum up

узагальнювати

evaporation

випаровування

pulverization

подрібнення в порошок

screening

просіювання

sieving

просіювання, відсіювання

flotation

спливання, флотація

kiln

обпалювальна піч

thawing

розморожування, декристалізація

2. Read and memorize the following word combinations

unit operations

окремі циклічні дії

fluid flow processes

обробка потоку рідин

solids fluidization

псевдорозрідження твердих речовин

mass transfer processes

процеси масопередачі, масообміну

gas liquefaction

розрідження газу

electrostatic precipitation

електростатичне осідання

solvent extraction

екстрагування розчинниками

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